Greek/Latin Roots 
The key to vocabulary
Process 
1. Greek root 
2. meaning 
3. words that use it 
4. make vocab 
cards (Study 
strategies) 
5. quiz after 40
anthrop - man 
anthropology, misanthrope, philanthropy
arch – chief, first, 
rule 
archangel, archaic, monarchy, matriarchy, 
patriarchy
aud – hear, listen 
audiology, auditorium, audio, audition
carn - flesh 
carnivorous, incarnate, reincarnation, 
carnal
chrom - color 
chrome, chromosome, polychrome, 
chromatic
chron - time 
chronology, chronometer, synchronize
cide/cise – cut down, 
kill 
homicide, germicide, incision, scissors
Crat/cracy - rule 
autocrat, aristocrat, theocracy, technocracy
dict – say, speak 
dictation, dictionary, predict, verdict, 
contradict
endo - within 
endorse, endocardial, endoskeleton
graph, gram - write 
graphic, autograph, photography, telegram
hetero - different 
heterogeneous, heterodox, heterosexual
ject - throw 
inject, deject, project, eject, interject
log, logo, ology – 
word, study, 
speech 
prologue, dialogue, zoology, catalog
magn - great 
magnify, magnificent, magnitude
man - hand 
manual, manage, manipulate, emancipate
migra - wander 
migrate, emigrate, immigrate
morph - form 
amorphous, metamorphosis, morphology
omni – all, every 
omnipotent, omniscient, omnipresent, 
omnivorous
ortho – straight, 
correct 
orthodox, orthodontist, unorthodox 
20 – stop here
path – feeling, 
suffering 
sympathy, antipathy, apathy, telepathy
ped, pod - foot 
pedestrian, centipede, tripod, podiatry, 
pedal
phil - love 
philosophy, philharmonic, bibliophile
poli - city 
metropolis, police, megalopolis
poly - many 
polytheistic, polyandrous, polygon
trans- across, 
beyond, in a 
different state 
translate, transatlantic, transport
syn- in union, 
acting together 
synonym, synchronize, symmetry
sub- below, lower 
rank, nearly 
submarine, subsoil, sub-tropical
semi- half, partly 
semicircle, semiconscious, semi-annual
pro- before, in 
favor of 
prologue, proponent, propulsion
ob, of - blocking, 
concealing, 
against 
obstruct, offend, oppose
intra- inside, within 
intramural, intravenous, intracellular
inter- between, 
among 
interact, interchange, interdependent
infra- below 
infrastructure, infrared, infraclass
hypo- under 
hypodermic, hypothermia, hypoallergenic
hyper- beyond, 
more than normal 
hyperactive, hypersonic, hypercritical
hemi- half 
hemisphere
contra- against 
contraceptive, contraband, contradict
anti- opposing 
antiwar, antibiotic, anticlimax
ante- before 
antecedent, antebellum, antechamber 
40 stop here
ag, agi, act-do, 
move, go 
action, agitate, agent
alt – high, deep 
altitude, altimeter
aster, astr- star 
asterisk, asteroid, astronomy, astronaut
cap, cip, cept - 
take 
capable, intercept, capture, forceps
caus, caut – burn, 
heat 
caustic, cauldron, cauterize
clam, claim – cry 
out 
exclamation, acclaim, clamor
cred - believe 
creed, credit, incredible, credence
dorm - sleep 
dormant, dormitory
duc, duct - lead 
induce, produce, reduce
dura – hard, 
lasting 
durable, duration, endure
equi - equal 
equinox, equilibrium, equality
fac, fact, fic, fect – 
do, make 
manufacture, factory, amplification
fer – bear, carry 
ferry, fertile, refer
fin - end 
final, finish, confine, define
flex - bend 
flexible, inflexible
fort - strong 
fortress, fortify, fortitude
fract, frag - break 
fracture, fragile, fraction
gam - marriage 
bigamy, polygamy, monogamy
grad – step, go 
grade, graduate, gradient
here, hes - stick 
adhere, cohesion, inherent 
Stop here 60
ultra – beyond, 
extreme 
ultrasonic, ultraviolet
under – beneath, 
below, lower in 
rank 
underdeveloped, undercarriage
un – not, reversal 
unplug, unreal, unmanned
sent, sens - feel 
sentiment, sensory, sensation
peri - around 
perimeter, periodontal, pericardial
post - after 
postpone, postmortem, posthumous
vor – eat greedily 
voraciously, carnivore, omnivore
prim - first 
primary, primitive, primal
rupt - break 
rupture, erupt, disrupt
sol, salv – safe, 
healthy 
solution, salvage, salutation
sed, sess, sid - sit 
sediment, session, reside, president
sequ, secu, sue - 
follow 
sequence, second, pursue
sist, sta, stit - 
stand 
assist, persist, substitute
sol - alone 
soliloquy, solitaire, solitude
solv, solu - loosen 
solvent, absolve, soluble
string, strict – 
draw tight 
restrict, constrict, stringent
ten, tain - hold 
tenacious, contain, detention
theo, the – God, 
god 
theology, monotheism, atheist
therm - heat 
thermometer, thermos, hypothermia
tom- cut 
appendectomy, anatomy, dichotomy 
Stop here - 80

All 80 greek roots