ASVAB: Word Knowledge (Prefixes, Root Words, & Suffixes)

PREFIX: a-, an

without

PREFIX: ante

before

PREFIX: anti

against, opposing

PREFIX: auto

self

PREFIX: bene

good or well

PREFIX: bi

two

PREFIX: cen

hundred, hundredth

PREFIX: circum

around

PREFIX: com

bring together

PREFIX: contra

against

PREFIX: counter

opposite, against

PREFIX: de

away from, down, undoing

PREFIX: dis

the opposite, undoing

PREFIX: ex

out of, away from

PREFIX: hyper

above, excessive

PREFIX: co

together, with

PREFIX: mal

bad or ill

PREFIX: hetero

different

PREFIX: paleo

old, ancient

PREFIX: pan

all, all over

PREFIX: poly

many

PREFIX: post

after, behind

PREFIX: pre

before

PREFIX: pro

forward, before, in favor of

PREFIX: re

back, again

PREFIX: retro

backward

PREFIX: homo

same

PREFIX: semi

half

PREFIX: il-/in-/ir

not

PREFIX: sub

under, below

PREFIX: inter

between

PREFIX: super

above, over

PREFIX: intra

within

PREFIX: sym-, syn

together, at the same timetele

PREFIX: tele

from a distance

PREFIX: micro

small

PREFIX: milli

thousand, thousandth

PREFIX: therm

heat

PREFIX: mis

bad, wrong

PREFIX: tor

twist

PREFIX: trans

across

PREFIX: mono

one

PREFIX: neo

new

PREFIX: un

not

PREFIX: non

not

PREFIX: uni

one

PREFIX: vert, verse

change

ROOT WORDS: act

do

ROOT WORDS: aero

air

ROOT WORDS: ambu

walk

ROOT WORDS: anthrop

human

ROOT WORDS: annu, anni

year

ROOT WORDS: aster, astr

star

ROOT WORDS: audi

hear

ROOT WORDS: biblio

book

ROOT WORDS: bio

life

ROOT WORDS: brev

short

ROOT WORDS: capit

head

ROOT WORDS: card, cord, cour

heart

ROOT WORDS: carn

flesh

ROOT WORDS: cede

go

ROOT WORDS: chron

time

ROOT WORDS: cide

killing

ROOT WORDS: cis

cut

ROOT WORDS: claim

shout, cry out

ROOT WORDS: cogn

know

ROOT WORDS: crat

know

ROOT WORDS: culp

blame

ROOT WORDS: dem

people

ROOT WORDS: dic, dict

speak

ROOT WORDS: dorm

sleep

ROOT WORDS: fer

carry

ROOT WORDS: fuge

flee

ROOT WORDS: geo

earth

ROOT WORDS: gram

something written or recorded

ROOT WORDS: graph

to write

ROOT WORDS: jac, ject

throw

ROOT WORDS: jur

law

ROOT WORDS: labor

work

ROOT WORDS: loc

place

ROOT WORDS: luc

light

ROOT WORDS: manu

hand

ROOT WORDS: meter, metr

measure

ROOT WORDS: morph

form

ROOT WORDS: mort

die

ROOT WORDS: omni

all

ROOT WORDS: op, oper

work

ROOT WORDS: path

feeling, suffering

ROOT WORDS: ped, pod

foot

ROOT WORDS: philo, phil

like, love

ROOT WORDS: phobe

fear

ROOT WORDS: phon

sound

ROOT WORDS: photo

light

ROOT WORDS: phys

nature, body

ROOT WORDS: scrib

write

ROOT WORDS: stro, stru

build

ROOT WORDS: ter

earth

ROOT WORDS: vac

empty

ROOT WORDS: verb

word

ROOT WORDS: vid, vis

see