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Roots and Pre/Suffix
PSAT Roots pre fixes and suffixes
| Term | Definition |
|---|---|
| ab, abs | from, away from |
| ad, ac, af, ag, an, ap, as, at | to, forward |
| ambi | both |
| an, a | without |
| ante | before |
| anti | against, opposite |
| arch | chief, first |
| be | over, thoroughly |
| bi | two |
| cata | down |
| circum | around |
| com, co, col, con, cor | with, together |
| contra, contro | against |
| de | down, away |
| demi | partly, half |
| di | two |
| dia | across |
| dis, dif | not, apart |
| dys | faulty, bad |
| ex, e | out |
| extra, extro | beyond, outside |
| hyper | above; excessively |
| hypo | beneath; lower |
| in, il, im, ir | not; in, on, upon |
| inter | between, among |
| macro | large, long |
| mega | great, million |
| meta | involving change |
| micro | small |
| mis | bad, improper; hatred |
| mono | one |
| multi | many |
| neo | new |
| non | not |
| ob, oc, of, op | against |
| olig | few |
| pan | all, every |
| para | beyond, related |
| per | through, completely |
| peri | around, near |
| poly | many |
| post | after |
| pre | before |
| prim | first |
| pro | forward, in favor of |
| proto | first |
| pseudo | false |
| re | again, back |
| retro | backward |
| se | away, aside |
| semi | half, partly |
| sub, suc, suf, sug, sup, sus | under, less |
| super, sur | over, above |
| syn, sym, syl, sys | with, together |
| tele | far |
| trans | across |
| ultra | beyond, excessive |
| un | not |
| under | below |
| uni | one |
| vice | in place of |
| with | away, against |
| ac, acr | sharp |
| aev, ev | age, era |
| ag, act | do |
| agog | leader |
| agri, agrari | field |
| ali | another |
| alt | high |
| alter | other |
| am | love |
| anim | mind, soul |
| ann, enn | year |
| anthrop | man |
| apt | fit |
| aqua | water |
| arch | ruler, first |
| aster | star |
| aud, audit | hear |
| auto | self |
| belli | war |
| ben, bon | good |
| biblio | book |
| bio | life |
| breve | short |
| cad, cas | to fall |
| cap, capt, cept, cip | to take |
| capit, capt | head |
| carn | flesh |
| ced, cess | to yield, to go |
| celer | swift |
| cent | one hundred |
| chron | time |
| cid, cis | to cut, to kill |
| cit, citat | to call, to start |
| civi | citizen |
| clam, clamat | to cry out |
| claud, claus, clos, clud | to close |
| cognosc, cognit | to learn |
| compl | to fill |
| cord | heart |
| corpor | body |
| cred, credit | to believe |
| cur | to care |
| curr, curs | to run |
| da, dat | to give |
| deb, debit | to owe |
| dem | people |
| derm | skin |
| di, diurn | day |
| dic, dict | to say |
| doc, doct | to teach |
| domin | to rule |
| duc, duct | to lead |
| dynam | power, strength |
| ego | I |
| erg, urg | work |
| err | to wander |
| eu | god, well, beautiful |
| fac, fic, fec, fect | to make, to do |
| fall, fals | to deceive |
| fer, lat | to bring, to bear |
| fid | belief, faith |
| fin | end, limit |
| flect, flex | bend |
| fort | luck, chance; strong |
| frag, fract | break |
| fug | flee |
| fus | pour |
| gam | marriage |
| gen, gener | class, race |
| grad, gress | go, step |
| graph, gram | writing |
| greg | flock, herd |
| helio | sun |
| it, itiner | journey, road |
| jac, jact, jec | to throw |
| jur, jurat | to swear |
| labor, laborat | to work |
| leg, lect, lig | to choose, to read |
| leg | law |
| liber, libr | book |
| liber | free |
| log | word, study |
| loqu, locut | to talk |
| luc | light |
| magn | great |
| mal | bad |
| man | hand |
| mar | sea |
| mater, matr | mother |
| mit, miss | to send |
| mob, mot, mov | move |
| mon, monit | to warn |
| mori, mort | to die |
| morph | shape, form |
| mut | change |
| nat | born |
| nav | ship |
| neg | deny |
| nomen | name |
| nov | new |
| omni | all |
| oper | to work |
| pac | peace |
| pass | feel |
| pater, patr | father |
| path | disease, feeling |
| ped, pod | foot |
| ped | child |
| pel, puls | to drive |
| pet, petit | to seek |
| phil | love |
| pon, posit | to place |
| port, portat | to carry |
| poten | able, powerful |
| psych | mind |
| put, putat | to trim, to calculate |
| quer, ques, quir, quis | to ask |
| reg, rect | rule |
| rid, ris | to laugh |
| rog, rogat | to ask |
| rupt | to break |
| sacr | holy |
| sci | to know |
| scop | watch, see |
| scrib, script | to write |
| sect | cut |
| sed, sess | to sit |
| sent, sens | to think, to feel |
| sequi, secut, seque | to follow |
| solv, solut | to loosen |
| somn | sleep |
| soph | wisdom |
| spec, spect | to look at |
| spir | breathe |
| string, strict | bind |
| stru, struct | build |
| tang, tact, ting | to touch |
| tempor | time |
| ten, tent | to hold |
| term | end |
| terr | earth |
| therm | heat |
| tors, tort | twist |
| tract | drag, pull |
| trud, trus | push, shove |
| urb | city |
| vac | empty |
| vad, vas | go |
| veni, vent, ven | to come |
| ver | true |
| verb | word |
| vers, vert | turn |
| via | way |
| vid, vis | to see |
| vinc, vict, vanq | to conquer |
| viv, vit | alive |
| voc, vocat | to call |
| vol | wish |
| volv, volut | to roll |