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Affixes and Roots
Roots, Prefixes, & Suffixes
| Prefix/Root/Suffix | Meaning | Example |
|---|---|---|
| in | into | inject |
| re | do over, again, undo | reread, remove |
| dis | negative, reverse | disgust, discount, disappear |
| mono, uni | 1 | monopoly, unfirom, unicycle |
| bi | 2 | bilingual |
| mis | wrongly | misfire, misfortune, misguided |
| tri | 3 | triangle, tripod |
| quad | 4 | quadruplets |
| pent | 5 | pentagon |
| semi, demi, hemi | helf | semicircle |
| auto | self | automobile |
| ab | away from | abduction, abnormal |
| dura | hard, lasting | durable, duration |
| poly | many | polyester, polygon |
| pre | before | preceed, preview |
| pro | in favor of | promote |
| anti | against | antisocial, antifreeze |
| ante | first, before | antecedent, anteroom |
| philo | love of something | philosophy |
| sub | under | submarine, submerge |
| trans | carry, across | transportation |
| inter | between | intervene, interrupt |
| de | opposite | defrost, decompose |
| glot, gloss | tongue (Greek) | polyglot, glossary |
| dict | to say something (Latin) | dictionary, contradict, predict |
| bio | life or living things (Greek) | biology, biography |
| ortho | to straiten (Greek) | orthodontist, orthopedic |
| ped | foot | pedicure, orthopedic |
| script | to write (Latin) | manuscript, scripture |
| morphus | to form or to shape (Greek) | metamorphis |
| Thermo | heat (greek) | thermal |
| audio | hearing | audiology |
| spec, spect | to see, to look | inspect |
| derm | skin | dermatologist |
| path | feel, feelings | sympathy, pathetic |
| soph | wisdom, knowledge | sophisticated |
| frag, frac, rupt | to break | fragment, fragile, fraction, rupture |
| cian | possessing a specific skill | physician, magician |
| urb | city (Latin) | urban, suburb |
| graph, gram | to write, written | autograph, graphic |
| sent, sens | feel, feelings | sensitive, resent, sensation |
| cred | to believe | incredible |
| phon | sound | telephone |
| eject | to throw | reject, eject |
| vid, vis | to view | visual |
| tele | far off or away | telescope, telephone |
| er, eer, or | a person | teacher, mountaineer, aviatior |
| ence, ance, ent | the condition of | presence |
| in, im, il, ir, un | not | inattentive, impossible, illegal, irregular, unfair |