Prefix

Ab-, abs—

(a-,an-)

ad-(ac-,af-,

ag-,al-,ap-

ar-,as-,at-)

ambi-

amphi-

ana-

ante-

anti-

arch-

auto-

bi-

by-

circum-

con-(co-,col-

corn-,cor-)

Usual Meaning

away from, without,

lacking

to, toward

both

around, on both sides

back, again, out of

before

against

first, chief

self

two, twice

close, incidental

around

- with, together

Examples

Abnormal, abstract,abnegate,

Amoral, Amazon, anonymous,

Apathethic, aversion

accede, adhere, aggressive,

affix, allow, appeal, arrest,

assert, attendance

ambiguous, ambidextrous

amphibious, amphitheatre

anachronism

anteroom, antediluvian

antisemitic, antidemocratic

archangel, archetypical

autobiography, automatic

bi-annual, bilateral, bisect

by-law, byproduct

circumvent, circumnavigate

concede collaborate

cooperate, combine, correlate

contra-

counter-

de-

demi-

di-, dia-

dis-(di-)

dys-

en-

epi-

equi-

eu-

ex- (e-)

extra-

hetero

homo-

hyper-

hypo-

in- (im-,ir-)

in-(il-, im-,

ir-)

inter

intra-,intro-

iso-

macro-,magni-

mal-

micro-,mini-

mid-

mis-

mono-, uni-

multi-,poly-

non-

ob-(oc-,op-)

omni-, pan-

para-

per-

peri-

post-

pro-, prim-

pro-

pseudo-

quadra-

against

contrary

down, do tne opposite

half, lower

two,through, between

away from, fall to,

(not)

bad,abnormal

make

over, across,outside

equal, same

good

out, from

beyond, very

other, different

same, self homonym,

above, excessive

under, less than

in, into, inside

not

between, among

within, inside

alike, equal

large, great

bad, wrong

small

middle, halfway

bad, wrong

single, one

many

not

against,

to

all

beside, for the

purpose of

through, completely

around, surrounding

after, behind

first, before

forward, before

false, unreal

four

Contradict

counterproposal, countersue

depress, depend, decentralize

demigod, demitasse

diameter, diagram, dichotomy

dismiss, digress, diversion

dysfunction, dyslexia

enable, enlarge

epidemic, epidermis, epilogue

equivalent, equilateral

euthanasia, eugenic, euphoria

exclude, emit, evasion

extralegal, extraordinary

heterosexual, heterogeneous

homophon, homosexual

hyperactive, hypertension

hypodermic, hypo-allergenic

indict, immerse, important

institute, irradiate

insecure, illegal, immoral,

impure, irregular

intervene, interpret

intramural, introspection

isometric, isolate

macroeconomics, magnify

malfunction, malpractice

microscope, minimum

midweek, midsection

misdemeanor, mistake,

monogamy, unilateral

multipurpose, polygram

nonsense

object, obstruct, oppose

observe, occur

omniscient, panchromatic

parallel, paralegal, parasol

perceive, perennial, perfect

perimeter, peripheral

postpone, postdoctorate

preview, pcecedent, primary

progress, procedure

pseudonym, pseudoscientific

quadrennial

quasi-

re-

retro

se-

semi-, hemi-

soli-

sub-(suf-,

sug-,sup-,sus-,

super-,supra-

sur- (sue-)

syn-, sym-

tele-

trans-

tri-

ultra-

un-

as if, seemingly

again, back

backward

away from

half, partially

only, single

under, below, lower

above, greater, beyond

over, on

like

far, long distance

across

three

extreme, beyond

not, opposite,

reverse

quasi-judicial

review, regard, reject, react

retrogress, retroactive

seclude, seduce, separate

semiliterate, hemisphere

solitude, soliloquy

subordinate, suffer

support, suspicion

superimpose, superior

surpass, surface, success

synonym, sympathy

telephone, television

transport, transfer

trilateral

ultraconservative

undo, unlawful.

Name

Symbol*

Meaning

Unit Multiplier

tera-

giga-

mega-

kilo-

hecto-

deka-

deci-

centi-

milli-

micro-

nano-

pico-

femto—

atto-

T

G

M

k

h

da

d

с

M

u

n

p

f

a

trillion

billion

million

thousand

hundred

ten

one-tenth

one-hundredth

one-thousandth

one-millionth

one-billionth

one-trillionth

one-quadrillionth

one-quintillionth

10^12

10^9

l0^6

l0^3

10^2

10^1

10^-1

10^-2

10^-3

10^-6

l0^-9

10^-12

l0^-15

10^-18

Prefix Meaning

mon      one

un       one

bi two, twice,

Example of Use

monotone (single tone or key)

monoxide (contains one oxygen atom per molecule)

unicellular (one-celled)

unilateral (one-sided)

bicycle (two wheels)

double

di

du

ter               three

tri

    tetr four

quadr

a               without

an            lacking

heter       mixed

horn       similar

              throughout

hyper above, over,

            excessive

hypo less than,

             below,

            deficient

is         equal,

            same

micr small

poly       many,

              much

tel          distant, far

bifurcate (two branches, forked)

dimorphic (in two forms)

duplex (double, twofold)

tertiary (third rank or stage)

tripod (three-footed stand)

tritium (hydrogen isotope with 3 nuclear particles).

tetrachloride (four chlorine atoms)

tetrahedron (solid with four faces)

quadruped (four-footed animal)

abiotic (without living organisms)

anarchy (without government)

heterogeneous (a mixture of kinds)

heteromorph (exhibiting diversity of form)

homogenized milk.

homograft (tissue from a similar type)

hypertoxic (excessively poisonous)

hyperesthesia (unusually high sensitivity)

hypodermic (below the skin)

hypothyroid (thyroid insufficiency)

isosceles triangle (equal sides, equal angles)

isomorphs (same shapes or forms)

isothermal (equal temperatures)

microscope (view of small things)

microbiology (study of tiny living things)

polychrome (many-colored)

polynuclear (having many nuclei)

telescope (distant view)

television (seeing at a distance)

Stem/Root

Usual Meaning

Examples

ag, act

arch

anim

anthrop

astro

aud

belli

bene, bon

biblio

bio

capit

ced, cess

cent

chron

corp

cosmo

cycl

demo

die, diet

duce, duct

erg, urg

ethno

fact, fict

fed, fid

fer

fin

fort

gamy

gen

geo

grad, gress

gram, graph

homo, human

hydro

ject

jud

locu,loqu

mani, manu

mem

metr

miss, mit

mob, mot

morph

mort

nom, nym

nov

ology

ortho

pathy, pass

do, drive

chief, leader

life

man

stars

listen, hear

war

good, well

book

life

head, chief

go, move

hundred

time

body

world

circle, wheel

people

say, tell

lead

work

race, nation

do, make

faith, trust

carry

end

strong

marriage

become, produce

earth

step, go

write

man

water

throw

Judge

speak

hand

memory

measure

send

move

form, shape

death

name, law

new

study of

correct, traight

felling,

agent, reaction

anarchist, archetype

animal, inanimate

anthropology, misanthrope

astrophysics, astronaut

auditorium, inaudible

rebel, belligerant

benefit, bona fides

bibliography, bibliophile

biology, autobiography

capital, capitulate

proceed, excess

century, bicentennial

synchronize, anachronism

habeas corpus, incorporate

microcosm, cosmonaut

tricycle, encyclopedia

democratic, epidemic

predict, dictator, indict

conduct, deduce

energy, ergometry, metallurgy

ethnology, ethnographic

manufacture, fiction

confident, bona fide, federal

transfer, differ, inference

infinite, final

fortify, reinforce

monogamy, bigamy, polygamous

generate, engender, genetics

geology, geography, geometry

gradual, congress, aggressive

graphology, telegraph

homicide, humanity, hominoid

hydrology, anhydrous

reject, interjection

prejudice, subjudice

elocution, circumloquacious

manipulate, manufacture

remember, memorial

metrics, perimeter

transmit, permit, dismiss

motive, automobile

amorphous, anthropomorphic

post mortem, rigor mortis

nominate, nomothetical, synonym,

patronym

novel, renovate

psychology, penology

orthodox, orthodontist

ped, pod

pel, pulse

pend

philo

phobe

phone

photo

pone, pose

port

press

psycho

rupt

scribe,script

sequ, secut

simi

solu, solv

soph

spec, spic

struct

tain, ten

temper

tend

terre

test

tract

vene, vent

ver

vers, vert

vid, vis

vit, viv

voc,vok

voil, voiu

xeno

zoo

suffering,

disease

foot

push

hang

love

fear

sound

light

place, set in

sympathy, apathy, passionate

biped, pedestrian

expel, repulsive, impulse

pendant, dependant

philosophy, anglophile

phobic, agoraphobia

phonics, homophone, telephone

photograph, photosynthesis

place

carry

push

mind

break

write

follow

like

loosen, free

wisdom

look

build, arrange

hold

time

stretch

earth

swear,

bear witness

pull

come

true

turn

see

life

call

roll, turn

stranger

animal

postpone, suppose, position

transport, reporter

depression, express

psychometric, parapsychology

interruption, disrupt

prescription, describe

sequence, consecutive

similar, simulation

dissolve, solution

philosopher, sophisticated

inspect, conspicuous

destruction, construct

maintain, detention, attend

temporary, contemporary

extend, tendency

territory, terra sanctra

testify, attest

contract, retraction

convention, intervene

verify, verisimilitude

converse, reverse, divert

visual, invisible, provide

vivid, revive

vocation, revoke, provocative

evolution, revolve, revolt

xenophobia, xenophile

zoology, epizootic

Suffix

Formation

Examples

-able,-ible,-ble

adj from v

washable

-ance,-ence

-ant,-ent

-ate

-cy

-dom

-er

-ful

-fy (-ify)

-ic, -ical

-ish

-ism

-ist

-ive

-ize

-less

-ly

-ment

-ness

-ous,-ious,-ose

-ship

-tion,-sion,-ation

n from v

n and adj from v

n and adj from n

v from n or adj

n from adj

n from n or adj

n from v

adj from v or n

v from n or adj

adj from n

adj from n or adj

n from n or adj

n or adj from n

or adj

adj from v

v from adj

adj from n

adv from adj

adj from n

n from v

n from adj

adj from n

n from n

n from v

appearance

expectant

affectionate

activate

privacy

kingdom, freedom

dancer

restful, eventful

terrify, purify

photographic; economical

foolish; youngish

heroism, socialism

violinist; socialist

explosive

modernize

childless

cleverly

hourly

government

loudness

dangerous

membership

examination