SAT Prefixes, Roots, and Suffixes: Key Concepts for Vocabulary Building

a-/an-

not, without

ab-

away from

ad-

to, toward

ante-

before

anti-

against

auto-

self

bene-

good

bio-

life

circum-

around

contra-/counter-

against

de-

down, away

dis-

not, apart

ex-/e-

out of

inter-

between

in-/im-/il-/ir-

not

mal-

bad

micro-

small

mono-

one

multi-

many

neo-

new

pre-

before

post-

after

pro-

for, forward

re-

again

sub-

under

super-

above

trans-

across

uni-

one

aud

hear

brev

short

cred

believe

dict

speak

duc/duct

lead

fer

carry

ject

throw

log/logue

word

luc/lum

light

man

hand

path

feeling

port

carry

scrib/script

write

spect

see

struct

build

vid/vis

see

voc

call

-able / -ible

capable of

-al

related to

-ant / -ent

one who / inclined to

-er / -or

one who

-ful

full of

-ic

related to

-ist

one who practices

-ity / -ty

state of

-less

without

-logy

study of

-ness

state of being

-ous / -ious

full of

-tion / -sion

act or state of