Essential SAT Roots, Prefixes, and Suffixes

Prefix a

without

Prefix ab

away

Suffix -cious, -uous

abounding in

Root acu

sharp

Root agri

farming

Root alb

white

Prefix amb

both

Root ambul

walk, move

Root amic

friendly

Prefix ana

back

Prefix anti (ant)

against, opposite

Root arche (archi)

primitive, origin

Root auto

self

Root bel

war, fight

Root bene

good

Prefix bi

two

Root cata

intensive, according to

Root cede (cess, ced)

go, withdraw

Suffix ceive

take

Root cent

hundred

Root cerebr

brain

Root cert

sure

Root chron

time

Root cide

kill

Root circum

around

Root clam (claim)

shout, speak

Root clar

clear

Root clud (clus)

close

Root clin (cline)

lean

Prefix co

with, together, joint

Root cog

know

Prefix con

together, common

Prefix contra

against

Root corp

body

Prefix counter

opposing, contrary

Suffix cracy (crat)

rule

Root cred

believe

Root crypt

hidden, secret

Root culp

blame, fault

Root cumul

mass, heap

Root dem

people

Prefix di

twice, two

Prefix dia

across, through

Root domin

master

Root don

give

Root dorm

sleep

Root dur

harden, long lasting

Root dyn

power, energy

Suffix ence (ance)

state, condition

Root esth (aesth)

beauty, feeling

Root ethn

nation, race

Prefix eu

good, well

Prefix ex

out, former

Prefix extra

beyond

Suffix fer

carry, bring

Root fid

trust

Root flect (flex)

bend

Root fore

in front of, previous

Root fusc

dark

Root ger

old age

Root grad (gress)

to step, to go

Root gyn

woman

Prefix homo (homeo)

same, alike

Prefix hyper

over, beyond

Prefix hypo

under

Suffix ian

related to

Root idio

peculiar, distinct

Prefix in/im

not

Prefix infra

beneath

Prefix inter

between

Prefix ir

not

Prefix iso

equal

Root lab

work

Root lat

broad, wide

Root laud

praise

Root lex

word, law

Root loq

speech

Root luc

light

Prefix macro

large, great

Root mal

bad, evil

Root medi

middle

Root melan

black, dark

Prefix meta

change, beyond, after

Prefix micro

small

Root migr

move

Prefix min

small

Prefix mis

wrong, bad

Root miss (mit)

send, cast

Prefix mono

one

Root mort

death

Root nat

born

Root neg

no

Prefix neo

new

Root nov

new

Root null

none

Prefix ob (op)

in the way, against

Prefix omni

all

Root opt

best

Suffix ous

having

Root oxy

sharp