TOEFL Root List

ab

away from/negative prefix

ac/acr

sharp

ad

to, toward

ambi

both, mixed

ambul

go, walk

ami/amo

friend, love

an/anti

against

andr/anthrop

human

anim

life, spirit

ante

before

apt/ept

skill, ability

arbor

tree

arch

rule, leader

aud

sound, hear

auto

self, same

bell/belli

war

ben/bene/bon

good

bi

two

bio

life

brac, brachi

arm

carn

meat, flesh

cent

hundred

chron

time

circ/circum

around, roundc

cis/cise

cut

clin

lean

clos/clud

close, shut

co/com/con

joint, together, with

contra

against

cred

believe

culp

blame

cur/cour

run, happen

de

off, from, down

dec/deci

ten, tenth

dent

teeth

derm

skin

desc

down

dextro/dexter

right hand, skillful

di

two, apart, split

dic/dict

say, tell

dign/dain

worth, regard

dis

apart from, not

domin

rule over

dorm

sleep

duc

lead

dys

faulty, bad

e/ec/ex

out, outward

en/em

into, cause

epi

upon, over

equ/equi

equal

esce

becoming

eu

good, well

extra

outside, beyond, additional

fac/fec/fic

do, make

fid

faith, trust

fort

strong

fract/frag

break, split

frat

brother

gen

birth, creation, kind, type

geo

earth

gno/gni

know

grand

big, impressive

graph

write

grat

thankful

gress

step, move

gyn

female

her/hes

stick(on)

herba/herbi

plants

hetero

different, other

hex/sextus

six

homo

same

hydra/hydro

water

hyper

over, beyond

hypo

under, insufficient

il

not

im/in

not, into

inter

between, among

intra

within

ir

not, into

itis

inflammation, infection

ium

place, setting

jun/juven

younger, youthful

lab

work

laud

praise

lav

wash

lev

rise

locu/loqu

to speak

luc/lum

light

magn

great

mal

bad

man/manu

hand

mar/mer

sea

matr

mother

meta

beyond, change

meter/metr

measure

micro

tiny, small

mill

thousand

mis

wrong, bad

mit

send

mob/mot/mov

move