SAT Vocabulary Roots Prefix and Suffix

Root: ag, act

This root means do. Common examples are action, activity, and agent.

Root: ambul

Definition: to walk, move

Examples: ambulance, ambulatory, and amble

Root: ami, amo

Def: love

Ex: amiable, amorous

Root: anim

Def: mind, soul, spirit

Ex: animal, animate, and unanimous

Root: anthro

Def: human

Ex: anthropology philanthropy

Root: aud

Def: hear

Ex: audible, auditorium, audience

Root: auto

Def: self

Ex: automobile, autobiography,

autograph

Root: belli

Def: war

Ex: belligerent, rebellious, antebellum

Root: ben

good

benefactor beneficial and benevolence

root biblio

book

bibliography bible

root bio

life

biography biology

root carn

flesh meat

canimover carnal incarnate

root chron

time

chronic chronology synchronize

root cid cis

cut kill

incision homicide insecticide

root civi

citizen

civilization civilian civil

root corp

body

corporation corporeal corpse

root dem

people

democracy demographic

root dic dict

speak

dictate contradict prediction verdict

root domin

master

dominant domain domineering

root err

wander

error erratic errand

root eu

good beautiful

eulogize euphoria euphemism

root fall fals

deceive

fallacious infallible falsify

root fid

faith

fidelity confide confidence

root graph gram

writing

grammar telegram graphic

root loqu locut

talk

soliloquy loquacious elocution

root luc

light

elucidate lucid translucent

root magn

great

magnify magnate magnanimous

root mal

bad

malevolent malediction malicious

root mori mort

die

mortuary immortal moribund

root morph

shape form

amorphous metamorphosis

root nat

born

innate natal nativity

root nom

name

misnomer nominal

root nov

new

novice innovate renovate novelty

root omni

all

omniscient omnipotent omnivorous

root pac pas pax

peace

pacify pacific pacifist passive

root path pass

disease feeling

pathology sympathetic apathy antipathy

root phil

love

philanthropist philosophy philanderer

root port

carry

portable porter transport export

root poten

able powerful

potential omnipotent potentate impotent

root psych

mind

psyche psychology psychosis psychopath

root reg rect

rule

regicide regime regent insurrection

root sacr secr

holy

sacred sacrilegious sacrament consecrate

root scribe script

write

root somn

sleep

ex: insomnia somnolent somnambulist

root spec spic

see look

ex: spectators spectacles retrospect conspicuous

root tang tact ting

touch

ex: tactile tangent contract contingent

root terr

land

ex: terrain terrestrial subterranean

root urb

city

ex: urban urbane suburban

root vac

empty

ex: vacation vacuous evacuate vacant

root ver

truth

ex: veracity verify veracious

root verb

word

ex: verbose verbatim proverb

root viv vit

alive

ex: revival vivacious vitality

prefix ambi amphi

both

ex: ambidextrous ambiguous ambivalent

prefix an a

without

ex: anarchy anemia amoral

prefix anti

against

ex: antibody antipathy antisocial

prefix circum

around

ex: circumnavigate circumspect circumscribe

prefix co col com con

with together

ex: coauthor collaborate composition commerce

prefix contra contro

against

ex: contradict contravene controversy

prefix di dif dis

not, apart

ex: digress discord differ disparity

prefix dia

through across

ex: diagonal diameter dialogue

prefix dys

abnormal bad

ex: dysfunction dyslexia dystopia

prefix e ex extra extro

out beyond

ex: expel excavate eject extrovert

prefix in il im ir

not or in upon

ex: inefficient inarticulate illegible irrepressible invite incite impression illuminate

prefix inter

between among

ex: intervene international interjection intercept

prefix intra

within

ex: intramural introvert intravenous

prefix mis

bad hatred

ex: misdemeanor mischance misanthrope

prefix mono

one

ex: monarchy monologue monotheism

prefix pan

all every

ex: panacea panorama pandemic

prefix peri

around near

ex: perimeter periphery periscope

prefix poly

many

ex: polygon polygamist polyglot

prefix post

after

ex: postpone posterity postscript posthumous

prefix pre

before

ex: preamble prefix premonition prediction

prefix: pro

forward for before

propulsive proponent prologue prophet

prefix re retro

again back

ex: reiterate reimburse react retrogress

prefix sub suc sup sus

under less

ex: subway subjugate suppress

prefix super sur

over above

ex: superior supernatural supervise surtax

prefix syn sym syl sys

with together

ex: symmetry synchronize synthesize sympathize

prefix trans

across

ex: transfer transport transpose

prefix un

not

ex: unabridged unkempt unwitting

suffix: able ible

adj capable of

ex: edible presentable legible

suffix ac ic ical

adj like related

ex: cardiac mythic dramatic musical

suffix acious icious

adj full of

ex: malicious audacious

suffix ant ent

adj/n full of

ex: eloquent verdant

suffix ate en

v make become

ex: consecrate awaken strengthen eradicate