PREFIXES, SUFFIXES, AND STEMS- PRE AP SCIENCE

Oct 25, 2007 · Prefixes [pre (before) + fix (fasten) = fasten before] are groups of letters placed before words or roots. Prefixes modify or extend the meanings of words and roots. Following is a list of commonly used prefixes and sample vocabulary. a-, ac-, ad-, af-, ag-, al-, an-, ap-, as-, at- to, toward, near, in addition to . aside (adverb): to or toward ... ................
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