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liter-letterLatinlitteraalliteration, illiterate,?literacy, literal, literary, literature, obliteratelith-stoneGreekλ?θο??(lithos)lithic,?lithosphere,?megalith,?Mesolithic,?monolith,?Neolithic,?Paleolithicloc-placeLatinlocus,?locareallocate, local, locality, locate,?location, locomotion, locuslog-,?-logyword, reason, speech, thoughGreekλ?γο??(logos),?λογ?α(logia)analogy, anthology, apology, biology, dialogue doxology, ecology, epilogue, etymology, eulogy, geology, ideologue, logarithm,logic, logogram, meteorology, monologue, morphological, neologism, neurology, philology, prologue, psychology,?tautology, terminology, theology, toxicology, trilogy, zoologylong-longLatinlonguselongate,?longitudeloqu-,locut-speakLatinloquiallocution, circumlocution, colloquial, colloquy, elocution, eloquent,?eloquence, grandiloquent, interlocution, loquacious, loquacity, magniloquent, obloquy, soliloquyluc-bright, lightLatinlux?(genitive?lucis),lucereelucidate, lucid,?Lucifer?(bearer of light), lucubrate, noctilucent, pellucid, translucentlud-,lus-playLatinludere,?lususallude,?illusionlumin-lightLatinluminare, from?lumenillumination, luminary, luminouslu-,luv-,lut-washLatinluere?(see alsodiluere,?fluere?andpluere)ablution,?alluvium,?colluvium,?diluvium, elute, elution, elluviation,?eluvium, illuviation,?illuvium, pollutionlun-moonLatinlunaluna, lunar, lunaticlysi-,lyti-dissolvingGreekλ?σι??(lusis)analysis, analytic,?cytolysis,?hydrolysis,?lysigenyM[edit]RootMeaning in EnglishOrigin languageEtymology (root origin)English examplesmacer-leanLatinmaceremaciate, meagermacro-longGreekμακρ???(makros)macro, macroeconomics,?macronmagn-great, largeLatinmagnusmagnanimous, magnate, magnificent, magnify, magnitude, magnummaj-greaterLatinmajor,?majusmajesty,?majority,?majusculemal-bad, wretchedLatinmalusmalfeasance, malicious,?malignancy, malodorousmamm-breastLatinmammamammal,?mammary glandman-flowLatinmānāre,?manatusemanate,?emanationism,?immanant, immanationman-stayLatinmanēre,?mansusimmanence, immanent, manse, permanence,?permanent,?remanence, remanentman-,?manu-handLatinmanusemancipate, manacle, manage, maneuver, manual, manufacture, manicure, manifest,manuscriptmand-,?mend-order, commitLatinmandāre,?mandatuscommand, commend, commendation, countermand, demand, mandate, mandatory, recommend, remandmaniamental illnessGreekμαν?α?(man?ā)kleptomania,?mania, maniac, pyromaniamar-seaLatinmare,?marismarine, maritimemascul-male, manLatinmasculus,?masculiemasculate, masculinemater-,?matr-motherLatinmater,?matrismaternal,?maternity,?matriarch, matriarchate, matrimony,?matrix, matronmaxim-greatestLatinmaximusmaximummechan-machine or instrumentGreekμηχαν??(mēkhanē)mechane, mechanicsmedi-,?-midi-middleLatinmedius,?mediaremedian, mediate,?medieval, Mediterranean, mediocre, media, mediummega-great, large, millionGreekμ?γα??(megas)megacycle,?megaphone,?megalopolis, megatonmei-lessGreekμε?ον?(meiōn)meiosismelan-black, darkGreekμ?λα??(melas)Melanesia,?melanomamelior-betterLatinmeliorare?"to improve", from?melior"better"ameliorate,?amelioration, meliorismmell-honeyLatinmel,?mellismellifluousmemor-rememberLatinmemorcommemorate, memoir, memorable,?memorial, memorize, memorymening-membraneGreekμ?νιγξ?(meninx)meningitismen-,?mens-,ment-mindLatinmens,?mentiscomment, dement, demented, mental, mentality, mention, momento, reminisce, reminiscencemen-monthGreekμ?ν?(mēn)menopausemend-defect, faultLatinmendax?"lying, a liar", from?menda"defect, fault"amend, amendment, mendacious, mendacitymenstru-monthlyLatinmenstruusmenstrual,?menstruationmensur-measureLatinmensura?"measurement"commensuratemer-partGreekμ?ρο??(meros)polymermerc-reward, wages, hireLatinmerx,?mercismercantile, mercenary, merchantmerg-,?mers-dip, plungeLatinmergereemerge, immersionmes-middleGreekμ?σο??(mesos)Mesolithic,?mesozoicmeter-,?metr-measureGreekμ?τρον?(metron)altimeter, barometer, calorimeter, centimeter, meter, metric, millimeter,?thermometermeta-above, among, beyondGreekμετ??(meta)metabolism, metamorphic, metamorphosis,?metaphor, metaphase, metaphysics, metastatic, meteor, methodmic-grainLatinmicamicellemicro-smallGreekμικρ???(mikros)microcosm, microeconomics, micrometer,?microphone,?microscope, microwavemigr-wanderLatinmigrareemigrant,?immigrant, migrant,?migrate, migrationmilit-soldierLatinmiles,?militismilitary,?militiamilli-thousandLatinmillemillennium,?millionmillen-thousand eachLatinmillenimillenarymim-repeatGreekμ?μο??(mimos)mime, mimicmin-jutLatinminereprominentmin-less, smallerLatinminor,?minusminority, minuscule, minutiaemina-leadLatinminare, variant of?minariamenable, demeanor, menace, promenademir-wonder, amazementLatinmiror,?mirari,?miratus sumadmire,?miracle, mirrormis-hateGreekμ?σο??(misos)misandry,?misogynymisc-,?mixt-mixLatinmiscere,?mixtusmiscellaneous, mixturemiser-unhappy, wretchedLatinmisermiser, miserable, miserly, miserymit-,?miss-sendLatinmittere,?missuscommit, emit, intermittent, missile, mission,?missionary, omit, permit, remit, submit, transmitmit-threadGreekμ?το??(mitos)mitochondrion, mitosismne-memoryGreekμν?μη?(mnēmē)amnesia,?mnemonicmol-grindLatinmola,?molere,?molitusmolarmoll-softLatinmollisemollient, mollifymon-oneGreekμ?νο??(monos)monism,?monolith, monopoly, monopsony, monotonemon-warnLatinmonereadmonish, monitor, monster, monument, premonition, summonmonil-string of beadsLatinmonileMoniliformidamonstra-showLatinmonstraredemonstrate, muster, remonstratemont-mountainLatinmons,?montisMontanamor-dispositionLatinmosmoral, morosemord-biteLatinmordere,?morsusmordacious, morsel, remorsemoro-foolish, dullGreekμωρ???(moros) "foolish, dull"moron, moronic, oxymoron, oxymoronic, sophomore, sophomoricmorph-form, shapeGreekμορφ??(morphē)amorphous,?anthropomorphism, dimorphic, metamorphosis,?morpheme, morphologymort-deathLatinmors,?mortisimmortal, mortal, mortality, mortician, mortuarymov-,?mob-,mot-move, motionLatinmovere,?motuscommotion, emotion, mobile, momentum, motile, motion, motive, motor, move, movement, mutiny, promote, removemulg-,?muls-milkLatinmulgereemulsionmulti-many, muchLatinmultusmultifold, multilingual, multiple, multiplex, multiply, multitudemund-worldLatinmundusanima mundi, map, mundanemur-wallLatinmurus,?muriimmured,?muralmus-mouseGreekμ???(mus)musophobiamus-thiefLatinmus,?murismousemusc-flyLatinmusca,?muscaeMuscicapidae,?Muscidaemut-changeLatinmutareimmutable,?mutationmy-to shut (the eyes)Latinmyeinmiosis, myopia, myopic, mysterymyri-countless, ten thousandGreekμυρ?ο??(murios)myriad,?myriapodmyrmec-antGreekμ?ρμηξ?(murmēx)myrmecoid,?Myrmidonsmyth-storyGreekμ?θο??(muthos)mythic,?mythologymyx-slimeGreekμ?ξα?(muxa)Myxinimyz-suckGreekμυζ?ω?(muzaō)MyzopodaN[edit]RootMeaning in EnglishOrigin languageEtymology (root origin)English examplesnar-nostrilLatinnarisnarisnarc-numbGreekν?ρκη?(narkē)narcolepsy,?narcosis, narcoticnarr-tellLatinnarrarenarrativenas-noseLatinnasusnasalnasc-,?nat-bornLatinnascere,?nasci?(past participle?natus)innate, nascent, natal, native, renaissancenaut-shipGreekνα?τη? (nautes)Argonaut,?astronaut, nauticalnav-shipLatinnavisnavalne-,?neo-newGreekν?ο??(neos)Neolithic, neologism, neonate, neophyteneb-,?nub-cloudLatinnebula,?nubesnebula, nebulosity, nebulous, nuance, nubilous, obnubilatenecr-deadGreekνεκρ???(nekros)necrophobianect-swimmingGreekνηκτ???(nēktos)nectopodnect-,?nex-join, tieLatinnectere,?nexusconnect, nexusneg-say noLatinnegarenegativenema-hairGreekν?μα?(nēma)nematodenemor-grove, woodsLatinnemus,?nemorisnemoralnephr-kidneyGreekνεφρ???(nephros)nephritisnes-islandGreekν?σο??(nēsos)Polynesianeur-nerveGreekνευρ?ν?(neurōn)neural, neuritis, neurologist, neurology, neuron, neuropathic, neurosurgeon, neuroticnict-beckon, winkLatinnictarinictationnigr-blackLatinnigerdenigratenihil-nothingLatinnihilumannihilationnoct-nightLatinnox?(genitive?noctis)equinox, noctambulist, noctilucent, nocturnalnod-knotLatinnodusnode, nodulenom-arrangement, law, orderGreekν?μο??(nomos)agronomy, astronomy, autonomous, autonomy, bionomics, economics, economy, gastronomy, metronome, numismatic, taxonomynomad-those who let pasture herdsGreekνομ??, νομ?δο? (nomas,nomados)nomadicnomen-,nomin-nameLatinnomen,?nominisnomenclature, nominate,?nomination, ignominious, ignominynon-notLatinnonnonenon-ninthLatinnonusnonarynonagen-ninety eachLatinnonageninonagenarynonagesim-ninetiethLatinnonagesimusnonagesimalnot-back, southGreekν?το??(notos)notochordnot-letter, note, paperLatinnotareannotation, notablenoth-spuriousGreekν?θο??(nothos)nothogenusnov-nineLatinnovemNovember, novennialnov-newLatinnovusinnovate, innovation,?nova, novel, novice, renovatenoven-nine eachLatinnoveninovenarynovendec-nineteenLatinnovendecimnovemdecillionnox-,?noc-harmfulLatinnoxanoxiousnu-nodLatinnuereinnuendonub-,?nupt-to marry, to wedLatinnubes,?nubis,?nubereconnubial, nubile, prenuptialnuc-nutLatinnux,?nucisnucleusnuch-back of neckLatinnuchanuchal cordnud-nakedLatinnudusdenude, nuditynull-noneLatinnullusnullifynumer-numberLatinnumerusenumerate, innumerable,?numeral, numerationnunci-announceLatinnuntiuspronunciationnutri-nourishLatinnutriremalnutrition,?nutrientO[edit]RootMeaning in EnglishOrigin languageEtymology (root origin)English examplesob-,?o-,?oc-,?of-,?og-,op-,?os-againstLatinobobduracy, obdurate, obduration, obfuscate, obstinate, obstreperous, occur, offend, omit, oppose, ostensible, ostentatiousoct-eightGreek?κτ??(oktō)octagon,?octahedron,?octodeoct-eightLatinoctōoctangular, octennial, octoviroctav-eighthLatinoctāvusoctavaloctogen-eighty eachLatinoctogenioctogenaryoctogesim-eightiethLatinoctogesimusoctogesimalocton-eight eachLatinoctonioctonaryocul-eyeLatinoculus,?oculareocular,?oculus,?ullageod-path, wayGreek?δ???(hodos)anode,?diode,?odometer,?pentode,?tetrode,?triodeodi-hateLatinodiumodiousodont-toothGreek?δο??, ?δ?ντο? (odous,odontos)odontologyodor-fragrantLatinodorodorousoeco-houseGreekο?κο??(oikos)ecologyoed-swollenGreekο?δημα (oidēma)oedemaoen-wineGreekο?νο??(oinos)oenologyoesophag-gulletGreekο?σοφ?γο??(oisophagos)oesophagusogdo-eighthGreek?γδοο??(ogdoos)ogdoad-oidlikeGreek-οειδ?? (-oeidēs)asteroid, mucoid, organoidole-oilLatinoleumoleosityolecran-skull of elbowLatin from Greek?λ?κρανον (ōlekranon)olecranonolig-fewGreek?λ?γο? (oligos)oligarchy, Oligocene, oligopoly, oligosaccharide, oligotrohicoliv-oliveLatinolivaolivaceous, olivary, olivette-omamorbid growth, tumorGreek-ωμαmelanomaomas-paunchLatinomasumomasumoment-fat skinLatinomentumomentalomin-creepyLatinomen,?ominisabominable, ominousomm-eyeGreek?μμα (omma)ommatidiumomni-allLatinomnisomnipotence, omnipresent, omniscient,?omnivoreomo-shoulderGreek?μο??(omos)omohyoidomphal-navelGreek?μφαλ?? (omphalos)omphalectomyoner-burdenLatinonus,?onerisexonerate, onerousonom-nameGreek?νομα (onoma)onomatopoeiaont-existingGreek?ντο? (ontos)ontogeny,?ontology-onymnameGreek?νυμα?(onuma)anonymous,?antonym,?pseudonym,?synonymoo-eggGreek??ν (oion)oocyteopac-shadyLatinopacusopacityoper-workLatinopus,?operiscooperate, inoperable,?opera, operate, opusopercul-little coverLatinoperculumoperculumophi-snakeGreek?φι? (ophis)ophiophagyophthalm-eyeGreek?φθαλμ?? (ophthalmos)ophthalmologyopisth-behindGreek?πισθεν (opisthen)opisthosoma,?opsimathopoter-eitherGreek?π?τερο? (hopoteros)opt-eyeGreek?πτ?? (optos)optical, panopticopt-chooseLatinoptareadopt, optionaloptim-bestLatinoptimusoptimumor-mouthLatinos,?orisoral,?oratororb-circleLatinorbisorbitorch-testicleGreek?ρχι??(orchis)orchidordin-orderLatinōrdō,?ordinisordinal, ordinaryorgan-organ, instrument, toolGreek?ργανον (organon)organismori-,?ort-easternLatinoriri,?ortusorientorn-decorateLatinōrnāreadorn, ornament, ornateornith-birdGreek?ρνι??(ornis,?ornithos)ornithologyorth-straightGreek?ρθ???(orthos)orthodontist, orthodox,?orthodoxy, orthopedic,?orthosis, unorthodoxoscill-swingLatinoscillumoscillationoss-boneLatinos,?ossisossificationosteo-boneGreek?στο?ν?(ostoun)osteoporosisosti-entranceLatinostiumostioleostrac-shellGreek?στρακον (ostrakon)ostracism,?ostracodermot-earGreekο??, ωτ?? (ous,?ōtos)otologyov-eggLatinovumoval, ovary, ovuleovi-sheepLatinovisovineoxy-sharp, pointedGreek?ξ???(oxus)oxygen,?oxymoronP[edit]RootMeaning in EnglishOrigin languageEtymology (root origin)English examplespac-peaceLatinpax,?pacisappease,?Pacific Ocean,?pacifism, pacifist, pacifypach-thickGreekπαχ???(pachus)pachydermata,?Pachypodiumpaed-childGreekπα???(pais), genitive παιδ?? (paidos)orthopedic, paediatric, page, pedagogue,?pedagogy, pedant, pedantic, pediatric, pedophiliapagin-pageLatinpaginapaginationpal-stakeLatinpalusimpalement, palepalae-,?pale-ancient, oldGreekπαλαι???(palaios)Paleo Diet, Paleolithic era, paleomagnetism,?paleontology, paleopsychology, Paleozoicpalin-backGreekπ?λιν?(palin)palindromepall-be paleLatinpallerepallid,?pallorpalli-cloakLatinpalliare?"to cover, cloak", from?pallium"cloak"pall, palliate, palliative,?palliumpalm-palmLatinpalmapalmatepalustr-in marshesLatinpalusterpalustralpan-,?pam-allGreekπ??, παντ?? (pas,?pantos)Pan-American, panacea,?pandemic, pandemonium, panoply, panopticpand-,?pans-spreadLatinpandere,?pansusexpand, expansionpar-equalLatinpardisparage, par, peerpara-beside, nearGreekπαρ??(para)parallel,?parameterparc-,?pars-spare, saveLatinparcere,?parsusparcity, parsimonypare-prepare, provide, procureLatinpararecompare, disparate, empire, imperative, pare, prepare, separate, vituperatepariet-wallLatinparies,?parietisparietalpart-partLatinpars,?partisapart,?bipartite, compartment, depart, impartial, parcel, part, partial, participate, particle, partisan,?partitionparthen-maidenGreekπαρθ?νο??(parthenos)Parthenon,?parthenogenesisparv-littleLatinparvusparvoviruspasc-,?past-feedLatinpascere,?pastuspastor,?pasture, repastpass-pace, stepLatinpassuspasser-sparrowLatinpasserpasseriform,?passerinepat-be openLatinpaterepaten,?patentpath-feeling, diseaseGreekπ?θο??(pathos)antipathy, apathy, empathy, pathetic, pathogen,?pathology, sympathypater-,?patr-fatherLatinpater?(genitive?patris)paternity,?patrilocal, patriot, patron, patronage, patronize, patronymicpater-,?patr-fatherGreekπατ?ρ,?πατρι??(patēr,?patria)patriarchpati-,?pass-suffer, feel, endure, permitLatinpati,?passuspassion, passive,?patiencepauc-fewLatinpaucuspaucal, pauciloquent, paucitypav-beatLatinpavirepave,?pavementpecc-sinLatinpeccareimpeccablepect-fixedGreekπηκτ???(pēktos)pectic,?pectinpector-chestLatinpectus,?pectorispectoralpecu-propertyLatinpecunia?"property", from?pecu?"cattle"peculiar, pecuniary, pecuniousped-footLatinpes,?pediscentipede, impede,?pedal, pedestrianpejor-worseLatinpejorpejorativepell-,?puls-drive, pushLatinpellere,?pulsusappulse, compel, compulsory, dispel, expel, expulsion, impulse, propel, propellent,?propulsor, pulsate, pulse, push, repel, repellent, repulsivepen-almostLatinpaenepeninsula, penultimate,?penumbrapen-,?poen-,puni-punishLatinpunire?"punish" (earlier?poenire), from?poena?"punishment"impune, impunity, pain, penal, penalize, penalty, penance, penitence, penitent, penitentiary, pine, punish, punitive, repent, subpoenapend-,?pens-hangLatinpensare, frequentative of?pendereappend, penchant, pendant, pending, pendulum, pensive, prepense, suspend, suspensepenn-,?pinn-featherLatinpenna,?pinnapennate, pinnacle,?pinnate, pinnulepent-fiveGreekπ?ντε?(pente)pentagon, pentagram,?pentagrid,?pentodepentecost-fiftiethGreekπεντηκοστ???(pentēkostos)pentecostalismpept-digestGreekπ?σσειν, πεπτ?? (pessein,?peptos)dyspepsia, peptic,?peptide,?peptoneper-thoroughly, throughLatinperperfection, permeate, persistence, peruse, pervadeperan-across, beyondGreekπ?ραν?(peran)Peratesperi-aroundGreekπερ??(peri)perigee, perihelion,?perimeter, peripheral,?periscopepersic-peachGreekπερσικ???(persikos)pessim-worstLatinpessimuspessimalpet-strive towardsLatinpetereappetite, competition, petition, petulant, repetitionpetr-rockGreekπ?τρα?(petra)petroglyphphae-darkGreekφαι???(phaios)phaeomelanin, pheochromephag-eatGreekφαγε?ν?(phagein)bacteriophage, macrophage,?phagocyte,?sarcophagusphalang-close formation of troops, finger bonesGreekφ?λαγξ, φ?λαγγο? (phalanx,phalangos)phalangesphalar-having a patch of whiteGreekφ?λαρο??(phalāros)[1]phalaropepharmac-drug, medicineGreekφ?ρμακον?(pharmakon)pharmacyphan-,?phen-to show, visibleGreekφαινειν?(phainein)diaphanous, emphasis, epiphany,?fantasy,?phanerozoic, phantasm, phantom, phase, phene, phenetic, phenology, phenomenon, photic, sycophant, theophany, tryptophanpher-,?phor-bear, carryGreekφ?ρω?(pherō),?φ?ρο??(phoros)metaphor,?pheromonephil-, -philelove, friendshipGreekφιλ?ω?(phileō, philia)bibliophile,?hydrophile, philanthropy, philharmonic,?philosophyphleg-heat, inflammationGreek?λ?γω?(phlegein) "to burn",?φλ?γω(phlegō)phlegm,?phlegmaticphloe-tree barkGreekφλοι???(phloios)phlobaphene,?phloemphob-fearGreekφ?βο??(phobos)acrophobia, claustrophobia, ergophobia, homophobia,?hydrophobiaphon-soundGreekφων??(phōnē)cacophony, euphony,?homophone, microphone, phonetic,?phonograph, symphonyphos-,?phot-lightGreekφ??,?φωτ???(phōs,?phōtos)phosphor, phosphorus, photic, photo, photoelectric, photogenic,?photograph, photosynthesisphragm-fenceGreekφρ?γμα?(phragma)diaphragmphren-diaphragm, mindGreekφρ?ν, φρεν?? (phrēn,?phrenos)frenetic,?schizophreniaphryn-toad, toad-likeGreekφρ?νη?(phrunē)Phrynobatrachusphyl-tribeGreekφ?λον?(phulon)phylogenetics,?phylumphyll-leafGreekφ?λλον?(phullon)chlorophyll,?phyllotaxisphysi-natureGreekφ?σι??(phusis)physicsphysalid-bladderGreekφυσαλ(λ)?? (phusal(l)is)physalisphyt-plantGreekφυτ?ν?(phuton)neophyte,?phytoplanktonpi-kind, devout, pityLatinpiusexpiate, impious, piety, pious, pitypic-pitchLatinpix,?picispiceouspil-hairLatinpilusdepilatory,?epilatorpil-pillar, ballLatinpilapile, pill, pillar, pillorypin-drinkGreekπ?νειν?(pinein)pinocytosispin-pineLatinpinuspineal glandping-,?pict-paintLatinpingere,?pictusdepiction, picture, pigmentpingu-fatLatinpinguisPinguicula, pinguitudepir-pearLatinpiruspiriformis musclepisc-fishLatinpiscisPisces,?piscivorepis-peaGreekπ?σο??(pisos)plac-plate, tabletGreekπλ?ξ, πλακ?? (plax,?plakos)duplex, duplicityplac-calmLatinplacare,?placatusimplacable, placable, placate, please, suppleplac-,?plea-pleaseLatinplacēre,?placituscomplacent, displease,?placebo, placid, plea, please, pleasureplagi-obliqueGreekπλ?γιο??(plagios)plagiocephaly,?plagioclaseplan-flatLatinplanusexplanation, planar,?planeplang-,?planct-Latinplangere,?planctusplangentplas-mouldGreekπλ?θω?(plathō)plasma,?plasticplaty-flat, broadGreekπλατ???(platus)platypusplaud-,?-plod-,plaus-,?-plos-approve, clapLatinplaudere,?plaususapplaud,?applause, explosion, implode, plaudits, plausibleple-,?plet-fillLatinplerecomplement, complete, deplete, implement, replete,?suppletion, supplypleb-peopleLatinplebs,?plebisplebeian,?plebsplec-interwovenGreekπλ?κω?(plekō)plectics,?symplectomorphismplect-,?plex-plaitLatinplectere,?plexusperplexplen-fullLatinplenusplenary, plenitude, plenty, replenishplesi-nearGreekπλησ?ο??(plēsios)plesiosaurpleth-fullGreekπλ?θο??(plēthos)plethorapleur-sideGreekπλευρ??(pleura)pleuritisplic-foldLatinplicare,?plicatusappliance, application, apply, duplication, explicate, explicit, implicate, implicit, imply, ply, replicate, supplicant, supplicate, supplicationplinth-brickGreekπλ?νθο??(plinthos)Plinthograptisplor-Latinplorareimploreplu-rainLatinpluere, see also?pluviapluvialplum-featherLatinplumaplumage, plumateplumb-leadLatinplumbumplumberplur-,?plus-moreLatinplus,?plurisdouble, plural, pluralist, plus, quadruple, surplus, tripleplurim-mostLatinplurimusplurimalplut-wealthGreekπλο?το??(ploutos)plutocracypneu-air, breath, lungGreekpnein,?πνε?μα?(pneuma)apnoea, pneumatic, phneumoniapod-footGreekπο??,?ποδ???(pous,?podos)antipode,?podiatry,?tripodpogon-beardGreekπ?γων, π?γωνο? (pōgōn,?pōgōnos)pogonotrophypoie-makeGreekποι?ω?(poieō)poet, poiesispol-poleGreekπ?λο??(polos)dipole, polarpole-,?poli-cityGreekπ?λι??(polis)acropolis, megalopolis, metropolis, police, policy, politicspolem-warGreekπ?λεμο??(polemos)polemicpoli-greyGreekπολι???(polios)poliomyelitispollic-thumbLatinpollex,?pollicispollicatepollin-fine flourLatinpollen,?pollinispollinationpoly-manyGreekπολ???(polus)polyandry, polygamy,?polygon, polysaccharide, polytheisticpon-,?posit-putLatinponere,?positusapposite, component, deposit, exponent, expose, expound, impose, impound, opponent, position, positive, postpone, posture, proponentponder-weightLatinpondus,?ponderis,?ponderareponder, preponderancepont-bridgeLatinpons,?pontispontoonpopul-peopleLatinpopulus,?popularepopulation, popular, populouspor-passageGreekπ?ρο??(poros)pore, porosityporc-pigLatinporcusporcine,?porkporn-prostituteGreekπ?ρνη?(pornē)pornographyporphyr-purpleGreekπορφ?ρα?(porphura)porphyrinport-carryLatinportare?"to carry",?porta?"gate"comportment, deport, export, import, port, portable, portage, portal, porter, portfolio, purport, rapport, report, support, transportportion-part, shareLatin?portioportion, proportionpost-after, behindLatinpostposterior, posterity, postscriptpot-powerLatinpotere?"be powerful", from?potis"powerful, able"despot, impotent, possess, potent, potentate, potential, powerpot-drinkLatinpotus,?potarepotable, potionpotam-riverGreekποταμ???(potamos)hippopotamus,?Mesopotamiaprasin-leek-greenGreekπρ?σινο??(prasinos)prasinousprat-meadowLatinpratumprav-crookedLatinpravusdepravitypre-beforeLatinpraepreviousprec-prayLatinprecāri?"to ask, beg, pray", from?prex"prayer"deprecation, imprecation, pray, prayer, precariouspred-preyLatinpraeda,?praedaripredatorprehend-,prend-,prehens-graspLatinprehendere,?prehensusapprehend, comprehend, comprehensive, enterprise,?prehensility, prehension, prey, prison, prize, reprehend, surpriseprem-,?-prim-,press-pressLatinpremere,?pressuspressurepresby-oldGreekπρ?σβυ??(presbus)Presbyterianismpreter-pastLatinpraeterpreterite, pretermissionpreti-priceLatinpretium,?pretiareprim-firstLatinprimusprimacy, primal, primary, prime, primeval, primitiveprior-formerLatinpriorprioritypriv-separateLatinprivus,?privare,?privatusdeprivation, privilegepro-before, in front ofGreekπρ??(pro)prologue, prostatepro-for, forwardLatinproprocrastinate, propulsionprob-worthy, goodLatinprobare?"prove to be worthy",?probusapprobation, approve, disapprobation, opprobrium, probable,?probation, probe, probity, proof, prove, reprobate, reproveproct-anusGreekπρωκτ???(prōktos)proctologyprodig-wasteLatinprodigus?"wasteful", from?prodigere"drive away, waste"prodigal, prodigalityprodig-prodigyLatinprodigium?"prodigy"prodigious, prodigypropri-one's own, ownershipLatinproprietas?"appropriateness, ownership", from?proprius?"one's own"appropriate, property, proprietary, proprietor, proprietypros-forwardGreekπρ???(pros)prosenchyma, prosthesisprot-firstGreekπρ?το??(prōtos)protagonist,?Proterozoic, protocol, protoindustrial,?protoplasm, prototype, protozoanproxim-nearestLatinproximus,?proximareapproximate, proximityprun-plumLatinprunusprunepsamm-sandGreekψ?μμο??(psammos)psammite, psammophyte,?psammosere, psammouspseud-falseGreekψευδ???(pseudēs)pseudonympsil-bareGreekψιλ???(psilos)epsilon, psilocybinpsych-mindGreekψυχ??(psuchē)psyche, psychiatry, psychology, psychosispsychr-coldGreekψυχρ???(psuchros)psychrometerpter-wing, fernGreekπτερ?ν?(pteron)helicopter, pterodactylpto-fallGreekπτ?σι??(ptōsis)ptosispty-salivaGreekπτ?ον?(ptuon)ptyalinptych-fold, layerGreekπτ?ξ,?πτυχ??(ptuchē)triptychpub-sexually matureLatinpubes, puberispubescent, pubicpublic-Latinpublicuspublication, publicitypude-shameLatinpudereimpudent, pudendum, repudiatepug-,?pugn-fightLatinpugnare?"to fight", from?pugnus?"fist"impugn, pugilism, pugnacious, repugnantpulchr-beautifulLatinpulcher,?pulchripulchritudepulmon-lungLatinpulmo,?pulmonispulmonarypulver-dustLatinpulvis,?pulverispulverizepung-,?punct-prickLatinpungere,?punctusacupuncture, expunge, poignant, point, punch, punctual, punctuation, puncture, pungentpup-dollLatinpupapupa, pupate, puppetpur-pureLatinpurare?"to purify", from?purus?"pure"impurity, pure, puree, purge, purify, puritypurg-cleanseLatinpurgareexpurgate,?purgatory, purgepurpur-purpleLatinpurpurapurpurate, purpurealput-prune, reckonLatinputāreamputation, compute, dispute, impute, putative, reputationpyg-rumpGreekπυγ??(pugē)callipygian,?pygostylepyl-gateGreekπυλ?ν, πυλ?νο? (pulōn,?pulōnos)pylonpyr-heat, fireGreekπ?ρ,?πυρ???(pur,?puros)pyrolysisQ[edit]RootMeaning in EnglishOrigin languageEtymology (root origin)English examplesquadr-fourLatinquattuorquadrangle, quadrillion, quadrilateral, quadrupedquadragen-forty eachLatinquadrageniquadragenarian, quadragenaryquadragesim-fortiethLatinquadragesimusquadragesimalquart-fourthLatinquartusquartary, quarter,?quartilequasi-as ifLatinquasiquasarquatern-four eachLatinquaterniquaternary,?quaternionquati-,?quass-shakeLatinquaterequassationquer-,?-quir-,?quesit-,?-quisit-search, seekLatinquaerereInquisition, queryqui-restLatinquiesquiet, requiemquin-five eachLatinquiniquinaryquindecim-fifteenthLatinquindecimusquindecimalquinden-fifteen eachLatinquindeniquindenaryquinque-fiveLatinquinquequinquenniumquint-fifthLatinquintusquintary,?quintilequot-how many, how greatLatinquotiensquota,?quotientR[edit]RootMeaning in EnglishOrigin languageEtymology (root origin)English examplesrad-,?ras-scrape, shaveLatinradere,?rasusabrade, abrasion, erasureradi-beam, spokeLatinradius,?radiareradiance,?radiationradic-rootLatinrādix,?rādīciseradicate, radicalram-branchLatinrāmusramification, ramoseran-frogLatinranaRanaranc-rancidness, grudge, bitternessLatinrancererancid, rancorrap-turnipLatinrapumrapeseedraph-seamGreek?αφ? (rhaphē)raphe, raphaerar-rareLatinrarusrarityrauc-harsh, hoarseLatinraucusraucousre-,?red-again, backLatinre-recede, redactrect-,?reg-,?-rig-straight, directLatinregere?"to direct, lead straight, guide", relatedrectus?"straight, right"correct, direct,?dirigible, erect, erection, ergo, rectangle, rectify, rectitude, rectum, regent, regime, regimen, regiment, region, surgereg-,?rex-kingLatinrex?(genitive?regis)anorexia, regal, regicide, rex, royalregul-ruleLatinregula?"to rule"regular, regulate, regulation, rulerem-oarLatinremusbireme,?triremeren-kidneyLatinrenesrenalreneg-denyLatinrenegarerenegade, renegerep-,?rept-crawl, creepLatinrepere,?reptusreptileret-netLatinretereticle,?retinaretro-backward, behindLatinretroretrograde,?retrospective,?retrovirusrhabd-rodGreek??βδο??(rhabdos)rhabdoid,?rhabdomrhach-,rach-spineGreek??χι?, ??χεω? (rhachis)rhachiodontrhag-tear, rentGreek?αγ?ζωrhagadesrhe-flowGreek?ε?ν?(rhein)rheostatrhig-chillGreek??γο? (rhigos)rhigosaurusrhin-nose, snoutGreek???, ?ιν?? (rhis,?rhinos)rhinoceros,?rhinoplastyrhiz-rootGreek??ζα (rhiza)rhizomerhod-roseGreek??δον (rhodon)rhododendronrhomb-spinning topGreek??μβο? (rhombos)rhombusrhynch-snoutGreek??γχο?Rhynchobatusrid-,?ris-laughLatinridere?"to laugh" (past participle?risus)deride, derision, ridicule, ridiculous, risiblerobor-oak, strengthLatinroborare?"to strengthen", from?robur,?robus"strength"corroborate, corroboration, robustrod-,?ros-gnawLatinrodere,?rosuscorrode,?erosion,?rodentrog-askLatinrogareabrogate, arrogant, arrogate, derogatory,?interrogation, prerogative, prorogue, rogation, rogue, surrogaterostr-beak, prowLatinrostrumrostral, rostriform, rostrumrot-wheelLatinrota,?rotarerotation, rotundaruber-,rubr-redLatinruberrubric, rubyrudi-unskilled, rough, unlearnedLatinrudiserudite, erudition, rude, rudimentaryrug-wrinkleLatinruga,?rugarecorrugationrumin-throatLatinrumen,?ruminisruminationrump-,rupt-breakLatinrumpere,?ruptusabrupt, corruptible, disrupt, erupt, eruption, interrupt, rupturerur-countryLatinrus,?rurisruralS[edit]RootMeaning in EnglishOrigin languageEtymology (root origin)English examplessacchar-sugarGreekσ?κχαρον?(sakcharon)saccharinsacr-,?-secr-sacredLatinsacrare, from?sacer(genitive?sacri)consecrate, desecrate,?sacrament, sacred, sacrosanctsagac-wiseLatinsagax,?sagacissagacious, sagacitysagitt-arrowLatinsagittasagittal plane,?Sagittariasal-saltLatinsal,?salis,?saleresalinitysali-,?-sili-,salt-jumpLatinsalire,?saltusresilient, salient, saltussalic-willowLatinsalix,?salicissalicinsalu-health, welfareLatinsalussalubrious, salubrity, salutary, salutesalv-saveLatinsalvus,?salvaresalvage,?salvation, salvesan-healthyLatinsanusinsane,?sanitysanc-holyLatinsancire?(past participlesanctus)sacrosanct, saint, sanctify, sanction,?sanctuarysanguin-bloodLatinsanguis,?sanguinisconsanguinity, sanguinary, sanguinesapi-,?-sipi-taste, wiseLatinsapere?"to have a taste, be wise", related to?sapor"taste, flavor"insipid, insipience, sapientsapon-soapLatinsapo,?saponissaponificationsarc-fleshGreekσ?ρξ, σαρκ?? (sarx,sarkos)sarcophagussart-tailorLatinsartor?"tailor", from?sarcire"to mend"sartorialsati-enoughLatinsatisasset, sate, satiate, satiety, satisfy, saturatesaur-lizard, reptileGreekσα?ρο??(sauros)dinosaursax-rockLatinsaxumsaxatile, saxicavous, saxicoline, saxifrage, saxifragousscab-scratchLatinscaberescabiesscal-ladder, stairsLatinscalascalar, scalescalen-unevenGreekσκαλην???(skalēnos)scalene muscles, scalene trianglescand-,?-scend-,scans-,?-scens-climbLatinscandereascend, descend, transcendentscaph-anything hollow, bowl, shipGreekσκ?φη,?σκ?φο?scaphoid bonescel-leg, thighGreekσκ?λο?, σκ?λεο? (skelos)isoscelesschem-planGreekσχ?μα?(schēma)schematicschis-splitGreekσχ?ζω,?σχ?σμα?(schisma)schismsci-knowLatinscireconscience, conscious, conscientious, omniscious, omniscient, prescient,?science,?scienterscind-,?sciss-splitLatinscindererescind,?scissorsscler-hardGreekσκληρ???(sklēros)scleroderma, sclerosisscoli-crookedGreekσκολι???(skolios)scoliosisscop-,?scept-look at, examine, view, observeGreekσκ?πτομαι,?σκοπ??(skopos)horoscope,?kaleidoscope, microscope, periscope, scope,?stethoscope, telescopescrib-,?script-writeLatinscribere,?scriptusdescribe, inscribe, manuscript, prescribe, scribble, scribe, script,?scripture, subscribescrupl-uneasinessLatinscrupus?"sharp stone"scruple, scrupulous, unscrupuloussculp-carveLatinsculpere,?sculptussculpturescut-shieldLatinscutumscutescyph-cupGreekσκ?φο? (skyphos)Scyphozoase-,?sed-apartLatinsesecede,?seditionseb-tallowLatinsebumsebaceous,?sebumsec-,?sect-,seg-cutLatinsecaresecant, section, segmentsed-settle, calmLatinsedare,?sedatussedativesed-,?-sid-,sess-sitLatinsedere,?sessusassiduous, insidious, obsession, possess, preside, president, reside, resident,?sediment, sedulity, sedulous, session, subside, supersedesedec-sixteenLatinsedecimsedecimalseget-in cornfieldsLatinsegetumsei-shakeGreekσε?ω,?σεισμ???(seismos)seismographselen-moonGreekσελ?νη?(selēnē)Selene,?seleniumsell-saddle, seatLatinsellasella turcicasema-signGreekσ?μα?(sēma)semantics,?semaphoresemi-halfLatinsemissemifinalsemin-seedLatinsemen,?seminisinseminationsen-old manLatinsenex,?senissenator, senescent, senile,?senility, seniorsen-six eachLatinsenisenarysenti-,?sens-feelLatinsentire,?sensusassent,?consensus, consent, dissent, resent, scent, sensation, sense, sensible, sensitive, sensory, sentence, sentient, sentience, sentimentsept-fence, partition, enclosureLatinsaeptumtranseptsept-sevenLatinseptemseptennialsepten-seven eachLatinsepteniseptenaryseptim-seventhLatinseptimusseptimal, septimeseptuagen-seventy eachLatinseptuageniseptuagenaryseptuagesim-seventiethLatinseptuagesimusseptuagesima, septuagesimalseptuagint-seventyLatinseptuagintaSeptuagintsequ-,?secut-followLatinsequere, from?sequi, see also?secutusconsecutive, consequence, ensue, non sequitur, obsequious, prosecute, pursue, second, sequel,?sequence, subsequentser-,?sat-cultivateLatinserere,?satussativeser-body fluidLatinserumserousser-lateLatinserusserein, serotineserp-crawl, creepLatinserpere,?serptusserpentserr-saw, saw-toothedLatinserra,?serrareserrationserv-save, protect, serveLatinservareconserve, deserve, observe, preserve, reserve, servant, service, servile, servitude, subservientsesqui-one and a halfLatinsesquisesquicentennialset-bristle, hairLatinsaetaseta, setosesever-stern, strict, seriousLatinseverusseveritysex-,?se-sixLatinsexsemester, sexangle, sexenniumsexagen-sixty eachLatinsexagenisexagenarysexagesim-sixtiethLatinsexagesimussexagesimalsext-sixthLatinsextussextantsibil-hissLatinsibilus,?sibilaresibilancesicc-dryLatinsiccusdesiccationsider-starLatinsidus,?siderissiderealsign-signLatinsignumdesign, designate, insignia, signal, signature, significantsil-quiet or stillLatinsileresilencesilv-forestLatinsilvasilviculturesimi-ape, monkeyLatinsimiasimiansimil-,?simul-likeness, imitatingLatinsimulare?"to emulate", fromsimilis?"alike"assimilate, dissimilate, dissemble, ensemble, resemble, semblance, similar, similarity, simile, similitude, simulacrum, simular, simulate, simulation, simulator, simultaneous, verisimilar, verisimilitudesingul-one eachLatinsingulussingularsinistr-leftLatinsinister,?sinistrisinistralsinu-(to draw) a lineLatinsinuareinsinuatesinus-hollow, bayLatinsinussinusoidalsiph-tubeGreekσ?φων?(siphōn)siphonsist-cause to standLatinsistereassist, consist, desist, exist, insist, persist, resist, solstice, subsistsit-food, grain, wheatGreekσ?το??(sitos)sitologysoci-groupLatinsocius,?sociareassociate, socialsol-sunLatinsol,?solissolar, solsticesol-console, comfort, sootheLatinsolariconsolation, console, solacesol-alone, onlyLatinsolusdesolate, sole, soliloquy, solipsism, solitaire, solitary, solitude, solosolen-pipe, channelGreekσωλ?ν?(sōlēn)solenoidsolv-,?solut-loosen, set freeLatinsolvere,?solutusabsolute, absolve, dissolute, dissolve, resolute, resolve, soluble, solute,?solution, solve, solventsoma-bodyGreekσ?μα, σ?ματο? (sōma,sōmatos)somaticsomn-sleepLatinsomnusinsomnia, somnambulist, somnolentsomni-dreamLatinsomniumsomnialson-soundLatinsonusresonancesoph-wiseGreekσοφ???(sophos)philosophy, sophism, sophist, sophisticate, sophomore, sophomoricsopor-deep sleepLatinsoporsopor, soporificsorb-,?sorpt-suckLatinsorbereabsorb, absorptionsord-dirtLatinsordes,?sorderesordidsoror-sisterLatinsororsororitysparse-',?-spersesprinkleLatinspargereasperse, aspersion, disperse, intersperse, sparsespati-spaceLatinspatiumspatialspec-,?-spic-,spect-lookLatinspecereaspect, conspicuous, expect, inspect, introspective, prospect, respect, retrospective, species, specific, specimen, specious, speculate, spectacle, spectatorspect-watch, look atLatinspectarespectatorspecul-observeLatinspecularispeculationsper-hopeLatinspes,?speraredesperation, esperancesperm-seedGreekσπ?ρμα?(sperma)angiospermsphen-wedgeGreekσφ?ν (sphēn)sphenoidspher-ballGreekσφα?ρα?(sphaira)hemisphere, sphere, spheroid, stratospheresphinct-closingGreekσφ?γγαsphincterspic-spikeLatinspicaspiculespin-thornLatinspinaspinespir-breatheLatinspirareaspire, conspire, expire, inspire, perspire, respiration, spiritspond-,spons-a surety, guarantee; give assurance, promise solemnlyLatinspondere,?sponsusrespondspondyl-vertebraGreekσπ?νδυλο? (spondylos)spondylosisspu-,?sput-spew, spitLatinspueresputumsqual-scaly, dirty, filthyLatinsqualeresqualid, squalorsquam-scaleLatinsquamasquamoussquarros-spreading at tipsLatinsquarrosussquarrosest-standLatinstare?"to stand", also causative form?statuere?"to enact, set", from?status"condition, position"circumstance, consist, constant, constitute, distant, extant, instant, obstacle, stable, stamen, stamina, stance, stanchion, stanza, state, static, station, stationary, statistic, statue, status, staunch, stay, substance, substitute, superstitionstagn-pool of standing waterLatinstagnarestagnantstala-dripping, tricklingGreekσταλακτ???(stalaktos) andσταλαγμ???(stalagmos), both from?σταλ?ζειν(stallassein) "to drip"stalactite,?stalagmitestann-tinLatinstannumstannousstasi-standing, discordGreekστ?σι??(stasis)staticstatu-,?-stitu-standLatinstatuereinstitution, statutestear-fat, tallowGreekστ?αρ, στ?ατο? (stear,steatos)stearic acidsteg-coveringGreekστ?γη (stegē), στεγαν?? (steganos)steganography,?Stegosaurusstell-starLatinstellaconstellation, stellarstell-sendGreekστ?λλω?(stellein)apostle, epistle, stolesten-standGreekστενα??(stenai)apostasy, apostatesten-narrowGreekστεν???(stenos)stenography, stenosisstere-solidGreekστερε???(stereos)stereometrystern-,?strat-spread, strewLatinsternere,?stratusstratifystern-breastboneGreekστ?ρνον?(sternon)sternumstich-line, rowGreekστ?χο??(stichos)distichstigmat-mark, punctureGreekστ?γμα?(stigma)astigmatic,?stigmastill-dripLatinstilla,?stillaredistillationstimul-goad, rouse, exciteLatinstimulusstimulatestin-standLatinstinaredestination, obstinatestingu-,stinct-apartLatinstingueredistinction, distinguishstoch-aimGreekστ?χο? (stochos)stochasticstom-mouthGreekστ?μα?(stoma)stomatoplastystreper-noiseLatinstrepereobstreperousstrept-twistedGreekστρεπτ?? (streptos)Streptococcusstrig-compressLatinstrix,?strigisstrigogypsstrigos-having stiff bristlesLatinstrigosus?from?strigastrigosestring-,?strict-tight, upright, stiffLatinstringere,?strictusastringent, constrain, constrict, constringe, restrict, strain, strict, stringentstroph-turningGreekστροφ??(strophē)apostrophestru-,?struct-to make up, buildLatinstruere,?structusconstruct, construction, construe, destroy, destruct, instruct, obstruct, structurestud-dedicationLatinstuderestudentstup-wonderLatinstuperestupid,?stuporstyl-column, pillarGreekστ?λο??(stulos)Stylitessu-,?sut-sewLatinsuere,?sutuscouture, suturesuad-,?suas-urgeLatinsuadere,?suasuspersuasionsuav-sweetLatinsuavisassuage, suave, suavitysub-,?su-,?suf-,?sug-,?sup-,sus-belowLatinsubsubmarine, submerge, suffix, suggest, supportsubter-underLatinsubtersubterfugesucr-sugarLatinsuccarumsucrosesud-sweatLatinsudareexude, sudoriferoussui-selfLatinsuisui generis, suicidesulc-furrowLatinsulcussulcussum-sumLatinsummare?"to sum up", fromsumma?"sum"consummate, consummation, sum, summa cum laude, summary, summationsum-,?sumpt-takeLatinsumere,?sumptusassume, assumption, consume, consumption, presumption, subsumesuper-above, overLatinsuperinsuperable, soprano, sovereign, summit, superable, superb, supercilious, supercomputer, superficial, superfluous, superheat, superimpose, superior, superlative, supermarket, supernal, supernatural, supernova, superposition, superpower, superscript, supersede, supersonic, superstition, supervene, supervise, supreme, supremum, surname, surplus, surround, survivesupin-lying backLatinsupinussupination, supinesupra-above, overLatinsuprasupranationalismsurd-deafLatinsurdusabsurditysurg-riseLatinsurgereresurgentsyn-,?sy-,?syl-,sym-withGreekσ?ν?(sun)symbol, symmetry, sympathy, synchronous, synonym,?systemsyring-pipeGreekσ?ριγξ, σ?ριγγο? (syrinx,syringos)syringeT[edit]RootMeaning in EnglishOrigin languageEtymology (root origin)English examplestac-,?-tic-be silentLatintacere,?tacitusreticent, reticence, tacit, taciturntach-swiftGreekταχ???(tachus)tachometer,?tachycardiataeni-ribbonGreekταιν?α?(tainia)taenidium,?taeniodont,?Taeniolabistal-ankleLatintalustalus bonetang-,?-ting-,?tact-,?tag-touchLatintangere?(past participle?tactus)attain, contact, contagious, contingent, contingency, contiguous, intact, tactile,?tangent, tangibletapet-carpetLatintapete,?tapetistapestry,?tapetum, tapistard-slowLatintardusretard,?tardigrade, tardytars-ankleGreekταρσ???(tarsos, a flat basket)tarsaltaur-bullGreekτα?ρο??(tauros)Minotaurtaur-bullLatintaurusTaurustax-arrangement, orderGreekτ?ξι??(taxis)taxonomytechn-art, skillGreekτ?χνη?(technē)technologyteg-,?tect-coverLatintegere,?tectusintegument, protectiontele-far, endGreekτ?λε?(tēle)telecast,?telegram, telegraph, telepathy,?telephone,?telescope, televisiontele-completeGreekτ?λο??(telos)teleologytemn-cutGreekτ?μνω?(temnō)Temnospondylitempor-timeLatintempus,?temporiscontemporaneous, contemporary, extemporaneous, tempo, temporal, temporaryten-,?-tin-,tent-holdLatintenere,?tentusabstain, contain, content, contents, continence,?continent, continue, countenance, detain, detention, maintain, pertain, pertinacious, pertinacity, pertinent, retention, tenacious, tenacity, tenant, tenet,?tenor, untenabletend-,?tens-stretch, strainLatintendere?(past participle?tensus)attend, contend, contention, contentious, extend, extension, extent, intend, ostensible, ostentatious, portend, portent, portentous, pretense, tend, tendentious, tendency, tender, tensile, tensiontenu-slender, thinLatintenuare?"make thin", fromtenuis?"thin"attenuate, extenuate, tenuoustep-be warmLatinteperetepid, teporter-,?trit-rubLatinterere,?tritusattrition, contrite, detritus, triteteret-roundedLatinteres,?teretissubterete, teretialterg-,?ters-wipeLatintergere,?tersusdetergent, tersetermin-boundary, limit, endLatinterminusdetermine, terminal, terminationtern-three eachLatinterniternary, ternionterr-earthLatinterrainter, subterranean, terrace, terracotta, terrain, terrarium, terrestrial, territoryterti-thirdLatintertiustertian, tertiarytest-witnessLatintestisattest, contest, detest, protest, testament, testify, testimonytetr-fourGreekτ?σσαρε??(tessares)tetrahedron,?tetrodetex-,?text-weaveLatintexere,?textuscontext, subtle, pretext, text, textile, texturethalam-chamber, bedGreekθ?λαμο??(thalamos)hypothalamusthalass-seaGreekθ?λασσα?(thalassa)Panthalassa,?thalassemiathan-deathGreekθ?νατο??(thanatos)euthanasia,?thanatologythe-,?thus-godGreekθε???(theos)atheism, enthusiasm, monotheism, polytheism,?theologythe-putGreekτ?θημι?(tithēmi),?θ?κη?(thēkē)antithesis, Bibliotheca, deem, doom, epithet, hypothesis, synthesis,?theca, thematic, theme,?Themis,?thesisthel-nippleGreekθηλ? (thēlē)epithelium,?thelium, thelialtheori-speculationGreekθεωρ?α?(theōria)theorem,?theoryther-beast, animalGreekθ?ρ, θηρ?? (thēr)theroid,?theropodtherm-heat, warmGreekθερμ???(thermos)thermal,?endotherm, hypothermia,?thermometer, thermos, thermostatthym-moodGreekθυμ???(thumos)dysthymiathyr-doorGreekθ?ρα?(thura)thyratronthyre-large shieldGreekθυρε???(thureos)Thyreophora,?thyroid, thyrotropin,?thyroxinetim-be afraidLatintimeretimid, timorous-tim-mostLatin-timus, e.g. in?intimus?"inmost",optimus?"best",?ultimus?"last"intimate, intimation, optimum, ultimateting-,?tinct-moistenLatintingere,?tinctustincturetom-cutGreekτομ? (tome), τ?μο? (tomos)anatomy, appendectomy,?atom, dichotomy, ectomy, embolectomy, tome, tonsillectomy, vasectomyton-stretchGreekτ?νο??(tonos)isotonic, monotone, tonetop-placeGreekτ?πο??(topos)atopy, isotope,?topiary, topic,?topography, topology,?toponymy, utopiatorn-,tourn-turn or rotateLatin from Greektornare < τ?ρνο? (tornos)tornado, tournamenttorpe-be numbLatintorperetorpent, torpid, torportorqu-,?tort-twistLatintorquere,?tortuscontort, distort, extort,?extortion, retort,?torque, torsion, tortuous,?torturetot-all, wholeLatintotussubtotal, total, totalitytox-arrow, bowGreekτ?ξον?(toxon)antitoxin, intoxicate, toxic, toxology,?toxoplasmosistrab-beamLatintrabs,?trabistrabeculaetrachy-roughGreekτραχ???(trachus)tracheatrag-goatGreekτρ?γο??(tragos)tragustrah-,?tract-draw, pullLatintractare, frequentative oftrahere,?tractusattract, contract, detract, retract, subtract,?subtrahend, tractable, traction,?tractortrans-,?tra-,tran-acrossLatintransintransigent,?tradition, transact, transcend, transient, transitory, transporttrapez-four-sided, tableGreekτρ?πεζα?(trapeza)trapezius,?trapezoidtraum-woundGreekτρα?μα?(trauma)trauma, traumatic, traumatizetrecent-three hundredLatintrecentitrecentennial, trecentilliontredec-thirteenLatintredecimtredecimaltreiskaidek-thirteenGreekτρεισκα?δεκα?(treiskaideka)triskaidekaphobiatrem-trembleLatintremeretremortrema-holeGreekτρ?μα?(trēma)monotreme,?trematodetrepid-trembleLatintrepidare?"to tremble, hurry", from?trepidus?"alarmed, scared"intrepid, trepid, trepidationtri-threeGreekτρε??, τρ?α (treis,?tria)triad,?trigon,?triode,?tripodtri-threeLatintrēstriangle, triumvirate, triviatrib-rubGreekτρ?βειν?(tribein)diatribe,?tribologytribu-payLatintribuere?"to pay", from?tribusattribute, contribute, retribution, tribe, tribulation, tribunal, tribune, tributary, tributetricen-thirty eachLatintricenitricenarytricesim-,trigesim-thirtiethLatintricesimustrigesimaltrich-hairGreekθρ?ξ, τριχ?? (thrix,?trichos)peritrichous, trichopathophobia,?Trichopteratrin-three eachLatintrinitrinary, trine, trinitytrit-thirdGreekτρ?το??(tritos)tritagonisttritic-wheatLatintriticumtriticaletroch-wheelGreekτροχ???(trochos)trochleatrop-turningGreekτρ?πο??(tropos)heliotropism,?psychotropic, tropictroph-feed, growGreekτροφ?,?τροφ???(trophos)dystrophy, pogonotrophy, trophictruc-fierceLatintrux, trucistruculenttrud-,?trus-thrustLatintrudere,?trususextrusion, intrudetum-to swell upLatintumerecontumely, contumacious, tumid, tumor, tumular, tumulose, tumulous, tumult, tumultuousturb-disturbLatinturbadisturb, perturb, turbid, turbine, turbulent,tuss-coughLatintussis,?tussirepertussistympan-drumGreekτ?μπανον?(tumpanon)tympanityp-stamp, modelGreekτ?πο??(tupos)archetype, phenotype, prototype, type, typewriter, typical, typify, typography, typologyU[edit]RootMeaning in EnglishOrigin languageEtymology (root origin)English examplesuber-fruitfulLatinuber,?uberareexuberantuligin-in marshesLatinuligo,?uliginisuliginousulo-woolyGreekο?λο??(oulos)Ulotrichiultim-farthestLatinultimusultimate, ultimatumultra-beyondLatinultraultrasonicumbilic-navelLatinumbilicusumbilicalumbr-shade, shadowLatinumbraadumbrate,?penumbra, umbrage,?umbrellaun-oneLatinunus,?uniusunanimous,?unary,?unicorn, unify, union, universe, universityunc-hookedLatinuncusuncinate,?Unciniaunci-ounce, twelfthLatinunciauncialund-waveLatinundaabundant,?redundancy, undulateundecim-eleventhLatinundecimusundecimalunden-eleven eachLatinundeniundenaryungui-claw, nailLatinunguisunguiformungul-claw, hoofLatinungulaungulateur-tailGreekο?ρ??(oura)uroid,?uroborusur-urineGreekο?ρον?(ouron)urologyurb-cityLatinurbs,?urbissuburbanite, urban, urbanism, urbanizeurg-workLatinurgereurgenturs-bearLatinursusUrsa Major, ursine,?Ursusut-,?us-useLatinuti,?usususual, utilityuv-grapeLatinuvauveauxor-wifeLatinuxoruxoricideV[edit]RootMeaning in EnglishOrigin languageEtymology (root origin)English examplesvac-emptyLatinvacareevacuate, vacancy, vacant, vacate, vacation, vacuous,?vacuumvacc-cowLatinvaccavaccary, vaccination, vaccinevacil-waverLatinvacillare?"sway, be untrustworthy"vacillate, vacillationvad-,vas-goLatinvadereevade, pervasivevag-wanderLatinvagus,?vagarevagabond, vagueval-strength, worthLatinvalereambivalence, avail, equivalent, evaluate, prevail, valence, valiant, valid, valor, valuevan-empty, vain, idleLatinvanus?"empty", alsovanescere?"vanish"evanescent, vain, vanish,?vanityvap-lack (of)Latinvaporevaporation, vapid, vaporizevari-varyLatinvariarevariable, variance, variant, variate, variation, variety, various, varyvaric-straddleLatinvaricare?"to straddle", from?varus"bowlegged"prevaricateveh-,vect-carryLatinvehere?"to carry",vectusinvective, inveigh,?vector, vehement,?vehiclevel-veilLatinvelumrevelation, velatevell-,vuls-pullLatinvellere,?vulsusconvulsionveloc-quickLatinvelox,?velocisvelocityven-veinLatinvenaintravenous, venosity,?venuleven-huntLatinvenarivenisonven-,vent-comeLatinvenireadvent, adventure, avenue, circumvent, contravene, convene, convenient,?convention, event, intervene, intervention, invent, prevent, revenue, souvenir, supervene, venue, venturevend-sellLatinvenderevendor, vendingvener-respectfulLatinvenus,?venerisvenerable, veneration, venerealvent-windLatinventusventilation,?ventilatorventr-bellyLatinventer,?ventrisventralver-trueLatinverusaver, veracious, verdict, verify, verisimilar, verisimilitude, verity, veryverb-wordLatinverbumverbal, verbatim, verbosityverber-whipLatinverberreverberationverm-wormLatinvermisvermiform, verminvern-springLatinver,?vernusvernalvers-,vert-turnLatinversus, past participle of?vertereadverse, adversity, advertise, anniversary, avert, controversy, controvert, converse, convert, diversify, divert, extrovert, introvert, inverse, invert, perverse, pervert, reverse, revert, subvert, tergiversate, transverse, universe, versatile, verse, version, versus, vertex, vertical, vertigovesic-bladderLatinvesicavesicalvesper-evening, westernLatinvesperavesperalvest-clothing, garmentLatinvestire?"to clothe", related to?vestis"garment"divest, invest, investiture, transvestite, travesty,?vest, vestmentvestig-trackLatinvestigiuminvestigate, vestigialvet-forbidLatinvetarevetoveter-oldLatinvetus,?veterisinveterate, veteranvi-wayLatinviadeviate, obvious, viavic-changeLatinvicisvicar, vicarious, vice versa, vicissitudevicen-,vigen-twenty eachLatinvicenivicenaryvicesim-,vigesim-twentiethLatinvicesimusvicesimary, vicesimation,?vigesimalvid-,?vis-seeLatinvidere,?visusevident, provide, providence, provident, revise, supervise,?video, visible, vision, visit, vistavigil-watchfulLatinvigil, also?vigilareinvigilate, reveille, surveillance, vigil, vigilance, vigilant, vigilantevil-cheapLatinvilisrevile, vile, vilifyvill-country houseLatinvillavilla,?village,?villainvill-shaggy hairLatinvillusvelour,?velvet, villiformvin-wineLatinvinumvine, vinousvinc-,vict-conquerLatinvincere?(past participle?victus)convict, convince, evict, evince, invincible, province, vanquish, victor, victoryvir-manLatinvirtriumvirate,?virilityvir-greenLatinvirerevirid, viridianvisc-thickLatinviscumviscosityviscer-internal organLatinviscus,?visceriseviscerate, visceralvit-lifeLatinvitavital, vitaminvitell-yolkLatinvitellusvitellogenesisviti-faultLatinvitiumvice, vitiate, vituperatevitr-glassLatinvitrumvitreous,?vitriolviv-liveLatinvivere?"to live", related to?vita?"life"convivial, revive, survive, viable, victuals, vital, vitality, vitamin, vivacious, vivacity, vivid, vivisectionvoc-call, voiceLatinvocare?(to call), fromvox?"voice" (genitivevocis)advocate, avocation, convocation, equivocal, equivocate, evoke, invocation, invoke, provocative, provoke, vocal, vocation, vociferousvol-flyLatinvolarevolatilityvol-willLatinvoluntas?"will" fromvelle?"to wish"benevolent, malevolent, velleity,?volition, voluntary,?Voluntaryism, volunteer, voluptuary, voluptuousvolv-,volut-rollLatinvolvere,?volutusconvolution, devolve, evolve, involve, revolve, valve, vault, voluble, volume, voluminous, volvox, vulvavom-dischargeLatinvomerevomitvor-,vorac-swallowLatinvorare,?voraxcarnivorous, devour, herbivorous, locavore, omnivorous, voraciousvov-,vot-vowLatinvovere,?votusvotivevulg-crowdLatinvulgusdivulge,?vulgarity,?vulgatevulner-woundLatinvulnus,?vulnerisvulnerablevulp-foxLatinvulpēs,?vulpisvulpineX[edit]RootMeaning in EnglishOrigin languageEtymology (root origin)English examplesxanth-yellowGreekξανθ???(xanthos)xanthium,?xanthochromia, xanthogenic,?xanthophyllxen-foreignGreekξ?νο??(xenos)xenoblast,?xenogamy,?xenophobia,?xenonxer-dryGreekξηρ???(xēros)xeroderma,?xerography,?xeromorph,?xerophagy,?xerophile,?xerophytexiph-swordGreekξ?φο??(xiphos)xiphisternum, xiphoid, xiphophyllousxyl-woodGreekξ?λον?(xulon)xylem, xylocarp, xyloid,?xylophoneZ[edit]RootMeaning in EnglishOrigin languageEtymology (root origin)English exampleszel-zeal, jealousyGreekζ?λο??(zēlos)jealousy,?zeal,?zealotzo-animal, living beingGreekζ?ον?(zōion)azotemia,?protozoa, zoanthropy, zodiac, zoic, zoo,?zoology, zoomorphism, zoon, zooxanthellazon-belt, girdleGreekζ?νη?(zōnē)zonal, zonezyg-yokeGreekζυγ???(zugon)heterozygous,?zygotezym-fermentGreekζ?μη?(zumē)enzyme,?lysozyme ................
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