ACT Prep Roots, Prefixes and Suffixes COMBINED

-able, -ible

can be done

-acy

state or quality of

-al

act or process of

-al, -ial

pertaining to

-ate

become

-dom

place or state of

-ed

past tense

-el, -er, -or

one who

-er

comparative (more)

-en

become

-ess

female

-ful, -ous

full of

-ic, -ical

pertaining to

-ify, -fy

make or become

-ing

present participle

-ion, -tion, -ation

act, process

-ish

somewhere like or near

-ism

characteristic of

-ist

one who

-ity, -ty

quality of

-ize, -ise

make or become

-less

without

-ly

characteristic of

-ment

act of, result of

-ness

state of

-ology

study, science

-s, -es

more than one, plural

-ship

position held

-ward

in the direction of

-y

having the quality of

mis-

wrongly

mono-

one

non-

not

poly-

many

post-

after

pre-

before

re-

back, again

semi-

partly

sub-

under

super-

above

syn-

same time

trans-

across

tri-

three

un-

not

uni-

one

anti-

against

auto-

self

bi-

two

circum-

around

co-, com-, con-

with, together

contra-

against, opposite

de-

opposite of; away from; undo

dis-

reverse, opposite

e-, ex-

out

en-, em-

cause to

in-, im-, il-, ir-

not

inter-

between

macro-

large

micro-

small

mid-

middle

man

hand

mand

order, command

mis, mit

send, transmit

omni

all, every

path

feel

phil

love

phon

sound

photo

light

port

carry

scrib

write

sens, sent

feel

spec, spect, spic

look

tele

far off

terr

earth

vac

empty

vid, vis

see

audi

hear

auto

self

bene

good

bio

life

chrono

time

cred

believe

dict

say

duc

lead

fid

truth, faith

flex

bend

gen

give birth, create

geo

earth

graph

write

greg

group

jur, jus

law

log

thought

luc

light