SAT Prefixes and Roots

a

without

ab

away

-cious, -uous

abounding in

acu

sharp

agri

farming

alb

white

amb

both

ambul

walk, move

amic

friendly

ana

back

anti (ant)

against, opposite

arche (archi)

primitive, origin

auto

self

bel

war, fight

bene

good

bi

two

cata

intensive, according to

cede (cess, ced)

go, withdraw

ceive

take

cent

hundred

cerebr

brain

cert

sure

chron

time

cide

kill

circum

around

clam (claim)

shout, speak

clar

clear

clud (clus)

close

clin (cline)

lean

co

with, together, joint

cog

know

con

together, common

contra

against

corp

body

counter

opposing, contrary

cracy (crat)

rule

cred

believe

crypt

hidden, secret

culp

blame, fault

cumul

mass, heap

dem

people

di

twice, two

dia

across, through

domin

master

don

give

dorm

sleep

dur

harden, long lasting

dyn

power, energy

ence (ance)

state, condition

esth (aesth)

beauty, feeling

ethn

nation, race

eu

good, well

ex

out, former

extra

beyond

fer

carry, bring

fid

trust

flect (flex)

bend

fore

in front of, previous

fusc

dark

ger

old age

grad (gress)

to step, to go

gyn

woman

homo (homeo)

same, alike

hyper

over, beyond

hypo

under

ian

related to

idio

peculiar, distinct

in/im

not

infra

beneath

inter

between

ir

not

iso

equal

lab

work

lat

broad, wide

laud

praise

lex

word, law

loq

speech

luc

light

macro

large, great

mal

bad, evil

medi

middle

melan

black, dark

meta

change, beyond, after

micro

small

migr

move

min

small

mis

wrong, bad

miss (mit)

send, cast

mono

one

mort

death

nat

born

neg

no

neo

new

nov

new

null

none

ob (op)

in the way, against

omni

all

opt

best

ous

having

oxy

sharp