PSAT Prefixes/Suffixes

ante, ant

before (antecedent)

a, an

not, without (amoral)

belli, bell

war (belligerent)

bene, ben

good (benevolent)

circum

around (circumference)

cogn, gno

know (recognize)

dic, dict

speak (abdicate)

duc, duct

lead (seduce)

en, em

in, into (enter)

eu

well, good (eulogy)

fore

before (forecast)

flu, flux

flow (fluent)

gen

birth, class, kin (generation)

grat

pleasing (grateful)

hyper

too much, excess (hyperactive)

hypo

too little, under (hypodermic)

in, il, im, ir

not (inept)

in, il, im, ir

in, on, into (invade)

ject, jet

throw (eject)

junct, jug

join (junction)

lev

light (elevate)

logu, loc, log

speech, thought (eloquent)

mag, maj, mas, max

great (magnify)

mis

wrong, bad, hate (misunderstand)

neo

new (neoclassical)

nox, nic, neo, noc

harm (obnoxious)

omni

all (omnipresent)

ob

against (obstruct)

pre

before (precede)

pro

ahead, forth (proceed)

ques, quer, quis, quir

question (quest)

rept

break (disrupt)

rog

ask (interrogate)

sub

under (subconscious)

syn, sym

together (synthesis)

ten, tin, tain

hold, twist (detention)

tact, tag, tang

touch (tact)

uni, un

one (unify)

ven, vent

come (convene)

vict, vinc

conquer (victory)