Prefixes

Front 1

a/n

Back 1

not, without

Greek

abyss - without bottom;
achromatic - without color;
anhydrous - without water

Front 2

a

Back 2

on

Latin

afire - on fire;
ashore - on the shore;
aside - on the side

Front 3

a, ab/s

Back 3

from, away, off

Latin

abduct - carry away by force;
abnormal - away from normal, not normal;
absent - away, not present;
aversion - the act of turning away from;
abbreviate: to shorten.

Front 4

a/c/d

Back 4

to, toward, near

Latin

accelerate - to increase the speed of;
accessible - easily entered, approached, or obtained; admittance - allowing into;

Front 5

acro

Back 5

top, height, tip, beginning

Greek

acrobat - a "high walker";
acronym - a word formed from the first (capital) letters of a word;
acrophobia - fear of height

Front 6

act

Back 6

do

Latin

activity - something that a person does;
react - to do something in response;
interaction - communication between two or more things

Front 7

aer/o

Back 7

air

Greek

aerate - to let air reach something;
aerial - relating to the air;
aerospace - the air space

Front 8

agr/i/o

Back 8

farming

Latin
Greek agriculture - management of the land, agribusiness - making money by utilizing land; agrarian - relating to the management of land

Front 9

alg/o

Back 9

pain

Latin

neuralgia - pain caused by a nerve;
analgesic - a drug that makes one pain free; nostalgia - aching for the familiar

Front 10

ambi, amphi

Back 10

both, on both sides, around

Latin

ambidextrous - able to use both hands equally; ambiguous - having more than one meaning; ambivalence - conflicting or opposite feelings toward

Front 11

ambul

Back 11

walk, move

Latin
amble - to walk in a slow,
relaxed way;
ambulant - walking or moving around;
ambulance - a vehicle that moves a patient

Front 12

ami/o

Back 12

love

Latin

amiable - friendly, pleasant, lovable;
amity - friendly and peaceful relations;
amorous - showing romantic love

Front 13

ana

Back 13

up, back, against, again, throughout

Greek

analysis - a close examination of something;

anatomy - the structure of something as visible when cut up for analysis;

anachronism - not being in the right place in time

Front 14

andr/o

Back 14

man, male

Greek

androgynous - being both male and female;
android - resembling a human;
misandry - hatred towards men

Front 15

anim

Back 15

life, spirit

Latin

animal - a living organism;
animate - to make alive;
equanimity - of balanced spirit

Front 16

ann/enn

Back 16

year

Latin

anniversary - a date observed once a year;

annual - happening once a year;

millennium - 1,000 years

Front 17

ante

Back 17

before, in front

Latin

antecede - to come before something in time; antemeridian - before noon;
anteroom- a small room before the main room

Front 18

anth/o

Back 18

flower

Greek

chrysanthemum and amaranth - names of flowers;

anthology - a collection of treasured writings;

anthozoan - half plant, half animal, like anemones and corals.

Front 19

anthrop/o

Back 19

human

Greek

anthropology - the study of mankind;

anthropomorphism - giving human form to non-human things;

philanthropy - the love to mankind (expressed through good deeds)

Front 20

anti

Back 20

against, opposite of

Greek

antibody - a substance that destroys micro-organisms;

antiseptic - preventing infection;

antisocial - opposing social norm

Front 21

apo, apho

Back 21

away, off, separate

Greek

aphorism - a short expression of a general truth; apology - an explicit expression of regret, apostrophe - a small dash used in place of an omitted letter

Front 22

aqu/a

Back 22

water

Latin

aquarium - a water container for fish;
aquatic- relating to water;
aqueduct - a pipeline for water

Front 23

arbor

Back 23

tree

Latin

arborist - someone working with trees;
arbor - a shady area formed by trees;
arborous - having many trees

Front 24

arch/i

Back 24

chief, most important, rule

Greek

archbishop - the highest ranking bishop;
archenemy - chief or worst enemy;
matriarch - a female who rules a group;
monarch - a king or queen

Front 25

arch/a/i

Back 25

primitive, ancient

Greek

archaeology - the study of ancient cultures;
archaic - belonging to an earlier period;
archive - a collection of historical materials

Front 26

arthr/o

Back 26

joint

Latin

Greek arthroscope - a tool to see inside a joint; arthritis - inflammation of a joint;
arthropod - invertebrates with jointed legs, like spiders, crustaceans, insects

Front 27

art

Back 27

skill

Latin

artifact - object made by a person's skill;
artisan - a person skilled in a craft;
artist - a person who creates skillfully

Front 28

astro, aster

Back 28

star, stars, outer space

Latin

astronaut - a person traveling to the stars; astronomer - someone who studies the stars; asterisk - a star-shaped sign used as a reference tool

Front 29

aud/i/io

Back 29

hear

Latin

audible - loud enough to be heard;
audience - people who listen to a program; audiovisual - relating to sound and vision

Front 30

auto

Back 30

self, same, one

Greek

autocrat - a person who governs with absolute power;
autograph - a person's own signature;
automatic - moving by itself

Front 31

avi/a

Back 31

bird

Latin

aviary - a large enclosure for birds;
aviatrix - a female airplane pilot; aviation - the art of designing or operating aircraft

Front 32

bar/o

Back 32

pressure, weight

Greek

baric - pertaining to pressure, esp. of the atmosphere;
milliard - metric unit, equal to 1/1000th of a bar; baryon - heavy elementary particle

Front 33

bell/i

Back 33

war

Latin

bellicose - warlike;
belligerent - hostile, ready to fight;
rebel - person who opposes and fights

Front 34

bene

Back 34

good, well

Latin

benefactor - person who gives money to a cause; beneficial - producing a good effect;
benevolent - showing kindness or goodwill

Front 35

bi/n

Back 35

two, twice, once in every two

Latin

biannual - happening twice a year;
binoculars - optical device with two lenses;
bilateral - of or involving two sides

Front 36

bibli/o

Back 36

book

Greek

bibliography - a list of books used as sources; bibliomania - an extreme love of books;
bibliophile - a person who loves books

Front 37

bio

Back 37

life, living matter

Greek

biography- a life story written by another person; biology - the science of life;
biosphere - Earth's surface inhabited by living things

Front 38

blast/o

Back 38

cell, primitive, immature cell

Greek

blastula - an early stage of embryonic development; fibroblast - a cell that forms connective tissue; blastoderm - the layer surrounding the inside of an egg

Front 39

burs

Back 39

pouch, purse

Latin

bursar- an administrative officer in charge of funds; bursary- the treasury of a college or monastery; disburse- to expend especially from a public fund

Front 40

calc

Back 40

stone

Latin

calcite; calcium- the flame of acetylene gas generated by reaction of calcium carbide with water; calcification- impregnation with calcareous matter

Front 41

cand

Back 41

glowing, iridescent

Latin

candid- free from bias, prejudice, or malice;
candle- something that gives light; incandescent- white, glowing, or luminous with intense heat

Front 42

capt, cept, ceive

Back 42

take, hold

Latin

intercept - to stop or interrupt;

perceive - to take notice of something;

captivating - taking hold of

Front 43

cardi/o

Back 43

heart

Greek

cardiac - relating to the heart;
cardiogenic - resulting from heart disease; cardiologist - a heart doctor

Front 44

carn/i

Back 44

flesh, meat

Latin

carnivorous - flesh-eating;
carnal - pertaining to the body or flesh;
incarnate - given bodily form

Front 45

cata

Back 45

down, against
completely, intensive,
according to

Greek

cataclysm - a flood or other disaster, catalog - a complete listing;
catastrophe - turning for the worst, a substantial disaster

Front 46

caust,
caut

Back 46

to burn

Latin
Greek

cauterize - to burn with a hot instrument;
caustic - capable of burning or eating away; holocaust - total devastation, especially by fire

Front 47

cede,
ceed,
cess

Back 47

go, yield

Latin

exceed - to go beyond the limits;
recede - to go back;
accessible - easily entered, approached, or obtained

Front 48

celer

Back 48

fast

Latin

accelerate - to increase the speed of;
decelerate - to reduce the speed of

Front 49

cent/i

Back 49

hundred, hundredth

Latin

centennial- the 100th anniversary;
centimeter - 1/100 of a meter;
century - 100 years

Front 50

centr/o/i

Back 50

center

Greek

egocentric - self-centered;
eccentric - not having a common center, not according to norm;
centrifugal - moving outward from a center

Front 51

cephal/o

Back 51

head

Greek

encephalitis - inflammation of the brain;
cephalic - pertaining to the head;
cephalopod - marine mollusks like octopus and squid who have tentacles growing from their head

Front 52

cerebr/o

Back 52

brain

Latin

cerebral - pertaining to the brain;
cerebrate - to use the brain;
cerebrospinal - pertaining to the brain and the spinal cord

Front 53

cert

Back 53

sure

Latin

ascertain- to find out something with certainty; certain - being absolutely sure;
certify - to state that something is true

Front 54

chrom/o chromat/o, chros

Back 54

color, pigment

Greek

achromatic - without color;
chromium - a blue-white metallic chemical element, chromatics - the study of color

Front 55

chron/o

Back 55

time

Greek

chronic - lasting for a long time;
chronological - arranging events in time order, synchronize - happening at the same time

Front 56

chrys/o

Back 56

gold, yellow

Greek

chrysanthemum and helichrysum - golden/yellow flowers;

chrysolite - a yellowish gem

Front 57

cide, cise

Back 57

cut, kill

Latin

homicide - murder;

incisor - a sharp tooth for cutting food;
insecticide - a chemical used to kill insects

Front 58

circum, circle

Back 58

around, about

Latin

circumnavigate - to sail around;

circumscribe - to draw around;

circumspect - looking around

Front 59

claim, clam

Back 59

shout, speak out

Latin

clamor - to shout and make noise;

exclaim - to cry out loudly and suddenly; proclamation - something announced officially in public

Front 60

clar clear

Back 60

Latin

clarification - an explanation;

clarify - to make something clear;
declare - to state something clearly

Front 61

clud, clus

Back 61

close

Latin

conclusion - the end or last part;
exclusion - shutting out, rejecting;
seclude - to keep away from, to isolate

Front 62

cline

Back 62

lean

Latin

inclination - a leaning toward;
incline - a surface that slopes or leans;
recline - to lean back and relax

Front 63

co

Back 63

with, together, joint

Latin

coauthor - writer who collaborates with another author;

coeducation - educating males and females together;

cohousing - planning your neighborhood in an intentional neighborly fashion

Front 64

col

Back 64

together, jointly

Latin

Collaborate - to work together;
collision - smashing together;
colloquial - words formed by everyday interaction

Front 65

com

Back 65

together, common

Latin

commemorate - to memorize together;
composition - an arrangement or putting together of parts;
commune - living together while owning things in common

Front 66

cogn/i

Back 66

know

Latin

cognition - process of acquiring knowledge; incognito - disguised so no one knows you; recognize - to discover that one knows

Front 67

con

Back 67

with, jointly

Latin

concur - to agree with someone;
contemporary - of the same time period as others; convention - a gathering of people with a common interest

Front 68

contra/o

Back 68

against, opposite

Latin

contradict to argue against,

contrary not in agreement,

controversy disagreement

Front 69

corp/o

Back 69

body

Latin

corporation - a company recognized by law as a single body;

corpse - a dead body;

corporal - pertaining to the body

Front 70

cosm/o

Back 70

universe

Greek

cosmonaut - a Russian astronaut;

cosmos - the universe;

microcosm - a miniature universe

Front 71

counter

Back 71

opposite, contrary, opposing

counteract - to oppose the effects of an action; countermand - to cancel a previous order; counteroffensive - attack against an attack

Front 72

cranio

Back 72

skull

Greek

craniology - the study of skull characteristics; cranium - skull of vertebrates;
cranial - pertaining to the skull

Front 73

cred

Back 73

believe

Latin

credence - belief that something is true or valid; credulous - believing things too easily, gullible; incredible - unbelievable

Front 74

cruc

Back 74

cross

Latin

crucial-characteristic of or having the form of a cross

crucifix- the cross itself as a Christian emblem;

excruciating- so intense as to cause great pain or anguish

Front 75

crypto

Back 75

hidden, secret

Greek

cryptic - of hidden meaning;
cryptography - science of secret codes;
encrypt - encode into secret code

Front 76

cumul

Back 76

mass, heap

Latin

accumulate - to gather or pile up;
cumulative - gradually building up

Front 77

curr, curs

Back 77

run

Latin

concurrent- running parallel;

current- flowing easily and smoothly;
cursive- having a flowing, easy, impromptu character

Front 78

cycl

Back 78

circle, ring

Greek

bicycle - a vehicle with two wheels;
cycle - a sequence that is repeated;
cyclone - a storm with circling winds