SAT Vocab (root, prefix, suffix and example) practice

Study for the SAT, ACT, CLT vocab practice by using root words suffix and prefix. Memorizing these words will help you to be able to figure out the definition to any SAT vocab word.

Prefix a

without apathy, amoral, asymmetrical

Prefix ab

away absent, abduct, abnormal, abort

Suffix -cious, -uous

abounding in vivacious, voluptuous

Root acu

sharp acute, acupressure, acupuncture, acuity

Root agri

farming agriculture, agrarian

Root alb

white albino, albumen, albacore

Prefix amb

both ambivalent, ambiguous, ambidextrous

Root ambul

walk, move amble, ambulance, ambulant

Root amic

friendly amicable, amicably, dynamic

Prefix ana

back anachronism, anabasis

Prefix anti (ant)

against, opposite antagonist, antidote, antibiotics

Root arche (archi)

primitive, origin archaic, archaeology, archive

Root auto

self autopilot, autonomous, autocratic

Root bel

war, fight rebel, antebellum, bellicose

Root bene

good benefit, benign, benevolent, benefactor

Prefix bi

two bicycle, biceps, biscotti, biweekly

Root cata

intensive, according to cataclysm, catastrophic, catalog

Root cede (cess, ced)

go, withdraw recede, exceed, recession

Suffix ceive

take receive, perceive, reconceive

Root cent

hundred centennial, century, percent

Root cerebr

brain cerebral, cerebrate

Root cert

sure certain, ascertain, certify

Root chron

time chronicle, chronology, anachronism

Root cide

kill genocide, pesticide

Root circum

around circumference, circumstance

Root clam (claim)

shout, speak exclaim, clamor, proclaim

Root clar

clear clarify, clarification, declare

Root clud (clus)

close conclusion, seclude, conclude

Root clin (cline)

lean inclination, incline, recline

Prefix co

with, together, joint coauthor, cosign, collaborate, cooperate

Root cog

know cognitive, incognito, cognition

Prefix con

together, common connect, convention, concur

Prefix contra

against contraband, contrary

Root corp

body corporation, corpse, corporal

Prefix counter

opposing, contrary counteract, counterintuitive, counteroffer

Suffix cracy (crat)

rule democracy, democrat, theocracy, bureaucracy

Root cred

believe incredible, credit, credulous, credence

Root crypt

hidden, secret cryptic, encrypt

Root culp

blame, fault culpable, exculpate, culprit

Root cumul

mass, heap accumulate, cumulative

Root dem

people democracy, demographics

Prefix di

twice, two dilemma, diverse, dioxide

Prefix dia

across, through dialogue, diameter, diagnosis

Root domin

master dominate, predominate, domineering

Root don

give donate, pardon, donor

Root dorm

sleep dormitory, dormant, dormer

Root dur

harden, long lasting durable, duration, endure

Root dyn

power, energy dynamite, dynamic

Suffix ence (ance)

state, condition performance, conference, insurance

Root esth (aesth)

beauty, feeling esthetician, aesthetic, kinesthesia

Root ethn

nation, race ethnicity, ethnology, ethnocentric

Prefix eu

good, well euphemism, euphoria

Prefix ex

out, former exit, ex-girlfriend, exterminate, extract

Prefix extra

beyond extraordinary, extraterrestrial, extravagance

Suffix fer

carry, bring transfer, ferry, conifer, confer

Root fid

trust confidence, fidelity

Root flect (flex)

bend reflect, flexible, inflect, deflect

Root fore

in front of, previous before, therefore, forebode, forecast

Root fusc

dark obfuscation, infuscate, subfuscous, fuscous

Root ger

old age geriatrics, gerontology

Root grad (gress)

to step, to go digress, gradual, graduate

Root gyn

woman gynecology, androgynous, misogyny

Prefix homo (homeo)

same, alike homogeneous, homonym, homeopath

Prefix hyper

over, beyond hyperactive, hyperventilate

Prefix hypo

under hypothermic, hypothesis, hypoglycemia

Suffix ian

related to librarian, historian, pedestrian

Root idio

peculiar, distinct idiotic, idiomatic

Prefix in/im

not incapable, incomplete, informal, imperfect

Prefix infra

beneath infrastructure, infrared

Prefix inter

between interview, international, interstate

interview

a formal meeting to discuss a job or position.

international

involving two or more countries.

interstate

existing or occurring between states.

Prefix ir

not

irrational

not logical or reasonable.

irredeemable

not able to be saved or recovered.

irrelevant

not connected with or relevant to something.

irregular

not regular or consistent.

Prefix iso

equal

isobar

a line on a map connecting points of equal atmospheric pressure.

isometric

of equal dimensions or measurements.

Root lab

work

elaborate

involving many careful details.

laboratory

a room or building equipped for scientific experiments.

laborious

requiring considerable effort and time.

labor

work, especially hard physical work.

collaborate

to work jointly with others.

Root lat

broad, wide

dilate

to make or become wider.

latitude

the angular distance of a place north or south of the Earth's equator.

Root laud

praise

laudably

in a manner deserving praise.

applause

approval or praise expressed by clapping.

applaud

to show approval by clapping.

Root lex

word, law

lexicology

the study of the form, meaning, and behavior of words.

dyslexic

having a disorder that affects reading ability.

alexia

a condition characterized by the loss of the ability to read.

lexicon

the vocabulary of a person, language, or branch of knowledge.

Root loq

speech