Common Prefix Word Part List
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| Prefix | Meaning | Example |
| a | not | amoral |
| ab | away from | absent |
| ad, ac, ag, at | to, against | aggressive, attract |
| an | without | anarchy |
| ante | before | antedate |
| anti, ant | against | antipathy, antonym |
| bene | well | benefactor |
| bi | two | biannual |
| circum | around | circumvent |
| com, con, col | together | commit, collate |
| contra | against | contraband |
| de | from, down | descend |
| dis, di | apart, away | distract, divert |
| dom | home, rule | domicile, dominate |
| ex, e | out, from | exit, emit |
| extra | beyond, outside | extracurricular |
| in, im, ir, il, un | not | inept, irregular, illegal |
| in, im | in, into | interest, imbibe |
| inter | between | interscholastic |
| intra, intro | within | intramural |
| mal | bad | malcontent |
| mis | wrong | misspell |
| non | not | nonentity |
| ob | against | obstacle |
| omni | all | omnivorous |
| per | through | permeate |
| peri | around, about | periscope |
| poly | many | polytheism |
| post | after | postmortem |
| pre | before | premonition |
| pro | forward, for | propose |
| re | again, back | review, redeem |
| se | apart, away | seclude |
| semi | half | semicircle |
| sub | under | submarine |
| super | above | superimpose |
| sur | on, upon | surmount |
| syn, sym | together, with | sympathy |
| trans | across, beyond | transpose |
| un | not | unwelcome |