Word Roots Flashcards
a-, an-
Greek
anhydrous, atypical
without, not
ab-, a-, abs-
Latin
abnormal, abrasion, absent, abstain, abstraction, aversion
away from
“away”
acu-
Latin
acupuncture, acute, accurate
sharp or pointed
acerb-
Latin
acerbus
sharp, bitter, sour
acid-
Latin
acidosis
sour or acid
acr-
Greek
acrobatics, acromegaly, acronym, acrophobia
height, summit, tip
acr-, acri-
Latin
acer, acris
acrid, acrimony
bitter, pungent, sharp, sour
acu-
Latin
acupuncture, acute, acutifoliate
sharp
ad-, a-, ac-, af-, ag-, al-, ap-, ar-, as-, atm
Latin
accept, adapt, affect, approximate, ascend
movement to or toward; in addition to
adip-
Latin
adipose
fat
aer-
Greek
aeronautics, aerosol
air, atmosphere
aesthet-
Greek
aesthetics, anaesthetic
feeling, sensation
agr-
Greek
agronomy
field
agri-, -egri-
Latin
agriculture, peregrine
field
alb-
Latin
albedo, albino, albumen
dull white
am-, amat-, amor-
Latin
amateur, amorous, amiable, enamoured
love, loved
ambi-
Latin
ambidexterity, ambivalent
both, on both sides
amic-, -imic
Latin
amicable, inimical
friend
amph-, amphi-
Greek
amphibian, amphibolic, amphoterism
around, about, both, on both sides of, both kinds
ampl-
Latin
amplification
ample, abundant, bountiful
ana-, an-
Greek
anabaptist, anaphylaxis, anion, anode
again, against, back, up
andr-
Greek
androgen, android
male, masculine
anem-
Greek
anemometer
wind
anim-
Latin
animal, animation
breath
ann-, -enn-
Latin
anniversary, annual, biannual, millennium
year, yearly
ant-, anti-
Greek
antagonist, antibiotic, antipodes
against, opposed to, preventive
ante-, anti-
Latin
antebellum, antediluvian, anticipate, antiquarian
before, in front of, prior to
anth-
Greek
anther, anthology
flower
anthrop-
Greek
anthropology, anthropomorphic
human
ap-, apo-
Greek
apocrine, apogee, apostasy
away from, separate, at the farthest point
aqu-
Latin
aquamarine, aquarium, aqueduct, aquifer
water
ar-
Latin
arable
plow, till
ar-
Latin
arid
be dry
arche-, archi-
Greek
archangel, archetype
ruler
archae-, arche-
Greek
archaeology or archeology, archaic
ancient
arct-
Greek
Arctic Ocean
Relating to the North Pole or the region near it;
relating to cold; used as the scientific name of
some bear species, e.g. Ursus arctos horribilis
argent-
Latin
argent, Argentina
silver
arist-
Greek
aristocracy
excellence
arthr-
Greek
arthritis, arthropod
joint
astr-
Greek
asterisk, astrology, astronomy, disaster
star, star-shaped
athl-
Greek
athlete, pentathlon
prize
audi-
Latin
audible, auditorium, auditory
hearing, listening, sound
aug-, auct-
Latin
augend, augmentation
grow, increase
aur-
Latin
aureate, aureole
relating to gold, or gold-colored
auri-
Latin
auricle
relating to the ear
aut-, auto-
Greek
autograph, automobile, autonomy
self; directed from within
avi-
Latin
aviary, aviation
bird
axi-
Latin
axisymmetry
axis
axio-
Greek
axiology
merit
bac-
Latin
bacilla, bacteria
rod-shaped
bar-
Greek
barograph, barometer
weight, pressure
basi-
Greek
basic, basis
at the bottom
bathy-, batho-
Greek
batholith, bathyscaphe
deep, depth
be-, beat-
Latin
beatification
bless
bell-
Latin
antebellum, bellicose, belligerent
war
ben-
Latin
benefit, benignity
good, well
bi-
Latin
binary, binoculars, bigamy, biscotti
two
bib-
Latin
imbibe
drink
bibl-
Greek
bible, bibliography
book
bio-
Greek
biography, biology, biologist, biosphere, bioluminescent
life
blenn-
Greek
blennophobia, blennosperma
slime
blast-
Greek
blastula, fibroblast, osteoblast, sideroblast
germ, embryo, bud, cell with nucleus
bon-
Latin
bonify, bonitary
good
bor-
Greek / Latin
borealis
north
botan-
Greek
botany
plant
bov-
Latin
bovine
cow, ox
brachi-
Greek
brachial artery, brachiosaurus
arm
brachy-
Greek
brachydactyly
short
brady-
Greek
bradycardia
slow
branchi-
Greek
branchiopod, nudibranch
gill
brev(i)-
Latin
abbreviation, brevity
brief, short (time)
briz-
Greek
nod, slumber
brom-
Greek
Bromus ramosus
oats
brom-
Greek
bromide
stench
bronch-
Greek
bronchitis, bronchus, bronchiole
windpipe
bront-
Greek
Brontosaurus
thunder
bucc-
Latin
buccal, buccinator muscle
cheek, mouth, cavity
bulb-
Latin
bulbous, bulbule
bulbous
bull-
Latin
ebullient, ebullism
bubble, flask
burs-
Latin
bursa, bursar, bursary, disburse
pouch, purse
cac-
Greek
cacophony
bad
cad-, -cid-, cas-
Latin
accident, cadence, case
fall
caed-, -cid-, caes-, -cisc
Latin
caesura, incisor
cut
calc-
Latin and Greek
calcite, calcium, calculus
stone
call-, calli-
Greek
calligraphy
beautiful
calor-
Latin
calorie
heat
calyp-
Greek
apocalypse
cover
camer-
Latin
bicameral, camera
vault
camp-
Latin
champion, campaign
field
can-
Latin
canine, Canis Major
dog
can-, -cin-, cant-
Latin
cantata, canto, cantor
sing
cand-
Latin
candela, candid, candle, candor, incandescent, incendiary, incense
glowing, iridescent
cap-, -cip-, capt-, -cept
Latin
capture, captive, conception, recipient
hold, take
capit-, -cipit-
Latin
capital, decapitation, precipitation
head
capr-
Latin
Capricorn, caprine
goat
caps-
Latin
capsule
box, case
carbo-
Latin
carbon
coal
carcer-
Latin
incarceration
jail
carcin-
Latin from Greek
carcinogenic, carcinoma
cancer (disease)
cardi-
Greek
cardiograph, cardiology
relating to the heart
cardin-
Latin
cardinal
hinge
carn-
Latin
carnal, carnival, carnivore
flesh
carp-
Greek
carpology
relating to fruit
carp-
Greek
carpal, carpal tunnel syndrome
relating to the wrist
cast-
Latin
caste, castigate, castrate
pure
cata-, cat-
Greek
catabolic, catalyst, catastrophe, catatonia, cathode, cation
down
caten-
Latin
catenary, concatenation
chain
cathar-
Greek
catharsis
pure
caud-
Latin
caudal
tail
caus-, -cus-
Latin
causative
cause or motive
cav-
Latin
cave, cavity, excavation
hollow
ced-, cess-
Latin
ocession, recede, secede
go
celer-
Latin
acceleration, celerity
quick
cen-
Greek
Cenozoic
new
cen-
Greek
cenotaph
empty
cens-
Latin
census
estimate (?)
cent-
Latin
cent, centennial, centurion
hundred
centen-
Latin
centenary
hundred each
centesim-
Latin
centesimal, centesimation
hundredth
centr-
Greek
eccentric
center
cephal-
Greek
cephalic, cephalopod, encephalogram
head
ceram-
Greek
ceramic
clay
cerat-
Greek
keratin
horn
cern-
Latin
discern, secern
sift
cervic-
Latin
cervix, cervical
relating to the neck, relating to the cervix
ceter-
Latin
et cetera
other
chir-
Greek
chiral, chiropractic, chiroptera
of the hand or hands
chelon-
Greek
chelonia
relating to a turtle
chlor-
Greek
chlorine, chlorophyll, chloroplast
green