Latin or Greek Root
Meaning
1. acer, acid, acri
bitter, sour, sharp
2. acu
sharp
3. ag, agi, ig, act
do, move, go
4. ali, allo, alter
other
5. alt(us)
high, deep
6. am, amor
love, liking
7. Anni, annu,
enni
year
8. anthrop
man
9. anti(co)
old
10. arch
chief, first, rule
11. aster, astr
star
12. aud, aus
hear, listen
Examples
acerbic,
acidity,
acrid,
acrimony
acute,
acupuncture
, accurate
agent,
agenda,
agitate,
navigate,
ambiguous,
action
alias, alibi,
alien, alloy,
alter, alter
ego,
altruism
altimeter,
altitude
amiable,
amorous,
enamored
anniversary,
annually,
centennial
anthropolog
y,
misanthrope
,
philanthropy
antique,
antiquated,
antiquity
archangel,
architect,
archaic,
monarchy,
matriarchy,
patriarchy,
Archeozoic
era
aster,
asterisk,
asteroid,
astronomy,
astronaut
audiology,
auditorium,
audio,
audition,
ausculate
Define the first word in the
examples column
13. aug, auc
increase
14. auto, aut
self
15. belli
war
16. bibl
book
17. bio
life
18. brev
short
19. cad, cas
to fall
20. calor
heat
21. cap, cip, cept
take
22. capit, capt
head
23. carn
flesh
24. caus, caut
burn, heat
25. cause, cuse,
cus
cause, motive
26. ced, ceed,
cede, cess
move, yield, go,
surrender
27. cenetri
center
augur,
augment,
auction
automobile,
autograph,
automatic
rebellion,
belligerent,
casus belli,
bellicose
Bible,
bibliography
, bibliomania
biology,
biometrics,
biome,
biosphere
abbreviate,
brief
cadaver,
cadence,
cascade
calorie,
caloric,
calorimeter
capable,
intercept,
forceps,
capture,
except,
reciprocate
decapitate,
capital,
captain,
caption
carnivorous,
incarnate,
reincarnatio
n, carnal
caustic,
cauldron,
cauterize
because,
excuse,
accusation
procedure,
proceed,
cede,
concede,
recede,
precede,
accede,
success
concentric,
centrifugal,
28. chrom
color
29. chron
time
30. cide, cise
cut down, kill
31. cit
call, start
32. civ
citizen
33. clam, claim
cry out
34. clud, clus,
claus
shut
35. cognoac,
gnosi
know
36. cord, cor, cardi
heart
37. corp
body
38. cosm
universe, world
centripetal,
eccentric
chrome,
chromosom
e,
polychrome,
chromatic
chronology,
chronometer
,
synchronize
homicide,
exorcise,
germicide,
incision,
scissors
incite,
citation, cite
civic, civil,
civilian,
civilization
exclamation,
clamor,
proclamatio
n,
reclamation,
acclaim
include,
conclude,
recluse,
claustropho
bia,
occlusion,
occult
recognize,
prognosis,
cognoscenti
, incognito,
agnostic
cordial,
concord,
discord,
courage,
encourage
corporation,
corporal
punishment,
corpse,
corpulent,
corpus
cosmos,
microcosm,
cosmopolita
n,
cosmonaut
39. crat, cracy
rule
40. crea
create
41. cred
believe
42. cresc, cret,
crease, cru
rise, grow
43. crit
separate, choose
44. cur, curs
run
45. cura
care
46. cycl, cyclo
wheel, circular
47. deca
ten
48. dem
people
49. dent, dont
tooth
50. derm
skin
51. dict
say, speak
autocrat,
aristocrat,
theocracy,
technocracy
creature,
recreation,
creation
creed,
credo,
credence,
credit,
credulous,
incredulous,
incredible
crescendo,
concrete,
increase,
decrease,
accrue
critical,
criterion,
hypocrite
current,
concurrent,
concur,
incur, recur,
occur,
courier,
precursor,
cursive
curator,
curative,
manicure
Cyclops,
unicycle,
bicycle,
cyclone,
cyclic
decade,
decalogue,
decathlon,
decahedron
democracy,
demography
, epidemic
dental,
denture,
orthodontist
, periodontal
hypodermic,
dermatology
, epidermis,
taxidermy
dictation,
dictionary,
52. doc, dokein
teach
53. domin
master
54. don
give
55. dorm
sleep
56. dox
opinion, praise
57. drome
run, step
58. duc, duct
lead
59. dura
hard, lasting
60. dynam
power
61. endo
within
62. equi
equal
dictate,
dictator,
Dictaphone,
edict,
predict,
verdict,
contradict,
benediction
doctrine,
indoctrinate,
document,
dogma,
dogmatic
dominate,
dominion,
predominant
, domain
donate,
condone
dormant,
dormitory
orthodox,
heterodox,
paradox,
doxology
syndrome
(run
together),
hippodrome
(place where
horses run)
induce,
seduce (lead
aside),
produce,
reduce
durable,
duration,
endure
dynamo,
dynamic,
dynamite,
hydrodynam
ics
endorse,
endocardial,
endoskeletal
,
endoskeleto
n,
endosperm
equinox,
equilibrium,
equipoise
63. erg
work
64. fac, fact, fic,
fect
do, make
65. fall, fals
deceive
66. fer
bear, carry
67. fid, fide,
feder(is)
faith, trust
68. fila, fili
thread
69. fin
end, ended, finished
70. fix
fix
71. flex, flect
bend
72. flu, fluc, fluv
flowing
73. form
form, shape
energy, erg,
allergy,
ergometer,
ergograph,
ergophobia
factory, fact,
manufacture
,
amplificatio
n,
confection
fallacy,
falsify,
fallacious
ferry,
coniferous,
fertile, defer,
infer, refer,
transfer
confidante,
fidelity,
confident,
infidelity,
infidel,
federal,
confederacy
, semper fi
filigree,
filament,
filter, filet,
filibuster
final, finite,
finish,
confine,
fine, refine,
define, finale
fix, fixation,
fixture, affix,
prefix, suffix
flex, reflex,
flexible,
flexor,
inflexibility,
reflect,
deflect
influence,
fluid, flue,
flush,
fluently,
fluctuate
form,
uniform,
conform,
formulary,
perform,
74. fort, forc
strong
75. fract, frag
break
76. gam
marriage
77. gastr (o)
stomach
78. gen
birth, race, produce
79. geo
earth
80. germ
vital part
81. gest
carry, bear
82. gloss, glot
tongue
83. glu, glo
lump, bond, glue
84. grad, gress
step, go
85. graph, gram
write, written
formal,
formula
fort,
fortress,
fortify, forte,
fortitude
fracture,
infraction,
fragile,
fraction,
refract
bigamy,
monogamy,
polygamy
gastric,
gastronomic
, gastritis,
gastropod
genesis,
genetics,
eugenics,
genealogy,
generate,
genetic,
antigen,
pathogen
geometry,
geography,
geocentric,
geology
germination,
germ,
germane
congest,
gestation
glossary,
polyglot,
epiglottis
glue,
agglutinate,
conglomerat
e
grade,
gradual,
graduate,
progress,
graduated,
egress
graph,
graphic,
autograph,
photography
, graphite,
telegram
86. grat
pleasing
87. grav
heavy, weighty
88. greg
herd
89. hypn
sleep
90. helio
sun
91. hema, hemo
blood
92. here, hes
stick
93. hetero
different
94. homo
same
95. hum, human
earth, ground, man
96. hydr, hydra,
hydro
water
97. ignis
fire
98. ject
throw
congratulate
, gratuity,
grateful,
ingrate
grave,
gravity,
aggravate,
gravitate
gregarious,
congregatio
n,
segregate,
gregarian
hypnosis,
hypnotherap
y
heliograph,
heliotrope,
heliocentric
hemorrhage,
hemoglobin,
hemophilia,
hemostat
adhere,
cohere,
cohesion,
inherent,
hereditary
heterogeneo
us,
heterosexua
l, heterodox
homogeneo
us,
homonym,
homogenize
humus,
exhume,
humane
dehydrate,
hydrant,
hydraulic,
hydraulics,
hydrogen,
hydrophobia
ignite,
igneous,
ignition
deject,
inject,
project,
eject,
interject
99. join, junct
join
100. juven
young
101. lau, lav, lot,
lut
wash
102. leg
law
103. levi
light
104. liber, liver
free
105. liter
letters
106. loc, loco
place
107. log, logo,
ology
word, study, speech
108. loqu, locut
talk, speak
109. luc, lum, lus,
lun
light
110. macr-, macer
lean
111. magn
great
adjoining,
enjoin,
juncture,
conjunction,
injunction,
conjunction
juvenile,
rejuvenate
launder,
lavatory,
lotion,
ablution,
dilute
legal,
legislate,
legislature,
legitimize
alleviate,
levitate,
levity
liberty,
liberal,
liberalize,
deliverance
literary,
literature,
literal,
alliteration,
obliterate
locality,
allocate,
locomotion
catalog,
prologue,
dialogue,
logogram
(symbol
representing
a word),
zoology
eloquent,
loquacious,
colloquial,
circumlocuti
on
translucent,
luminary,
luster, luna
(moon
goddess)
emaciated,
meager
magnify,
magnificent,
magnanimo
112. man
hand
113. mand
command
114. mania
madness
115. mar, mari,
mer
sea, pool
116. matri
mother
117. medi
half, middle, between,
halfway
118. mega
great
119. mem
remember
120. meter
measure
121. micro
small
122. migra
wander
us, magnate,
magnitude,
magnum
manual,
manage,
manufacture
, manacle,
manicure,
manifest,
maneuver,
emancipate
mandatory,
remand,
mandate
mania,
maniac,
kleptomania,
pyromania
marine,
marsh,
maritime,
mermaid
matrimony,
maternal,
matriarchate
, matron
mediate,
medieval,
Mediterrane
an,
mediocre,
medium
megaphone,
megalopolis,
megacycle
(a million
cycles),
megaton
memo,
commemora
tion,
memento,
memoir,
memorable
meter,
voltammeter
, barometer,
thermometer
microscope,
microfilm,
microcard,
microwave,
micrometer
migrate,
emigrant,
123. mit, miss
send
124. mob, mot,
mov
move
125. mon
warn, remind
126. mor, mort
mortal, death
127. morph
form
128. multi
many, much
129. nat, nasc
to be from, to spring
forth
130. neo
new
131. neur
nerve
132. nom
law, order
133. nomen, nomin
name
134. nov
new
immigrate
emit, remit,
submit,
admit,
commit,
permit,
transmit,
omit,
intermittent,
mission,
missile
mobile,
motionless,
motor
monument,
admonition,
monitor,
premonition
mortal,
immortal,
mortality,
mortician,
mortuary
amorphous,
dimorphic,
metamorpho
sis,
morphology
multifold,
multilingual,
multiped,
multiply
innate, natal,
native,
renaissance
Neolithic,
nuveau
riche,
neologism,
neophyte,
neonate
neuritis,
neuropathic,
neurologist,
neural,
neurotic
autonomy,
astronomy,
gastronomy,
economy
nomenclatur
e, nominate,
ignominious
novel,
renovate,
135. nox, noc
night
136. numer
number
137. numisma
coin
138. oligo
few, little
139. omni
all, every
140. onym
name
141. oper
work
142. ortho
straight, correct
143. pac
peace
144. paleo
old
145. pan
all
146. pater, patr
father
novice,
nova,
innovate
nocturnal,
equinox,
noctilucent
numeral,
numeration,
enumerate,
innumerable
numismatics
Oligocene,
oligosaccha
ride,
oligotrophic,
oligarchy
omnipotent,
omniscient,
omnipresent
,
omnivorous
anonymous,
pseudonym,
antonym,
synonym
operate,
cooperate,
opus
orthodox,
orthodontist
, orthopedic,
unorthodox
pacifist,
pacify,
pacific
ocean
Paleozoic,
Paleolithic,
paleomagne
tism,
paleopsycho
logy
PanAmerican,
pan-African,
panacea,
pandemoniu
m (place of
all the
demons),
paternity,
patriarch,
patriot,
patron,
147. path, pathy
feeling, suffering
148. ped, pod
foot
149. pedo
child
150. pel, puls
drive, urge
151. pend, pens,
pond
hang, weigh
152. phage
eat
153. phil
love
154. phlegma
inflammation
155. phobia,
phobos
fear
156. phon
sound
patronize
pathos,
sympathy,
antipathy,
apathy,
telepathy
pedal,
impede (get
feet in a
trap),
pedestrian,
centipede,
tripod,
podiatry,
antipode
orthopedic,
pedagogue,
pediatrics
compel,
dispel,
expel, repel,
propel,
pulse,
impulse,
pulsate,
compulsory,
expulsion,
repulsive
pendant,
pendulum,
suspend,
appendage,
pensive
macrophage
,
bacteriopha
ge
philosophy,
philanthropy
,
philharmoni
c, bibliophile
phlegm,
phlegmatic
phobia,
claustropho
bia,
acrophobia,
aquaphobia,
ergophobia,
homophobia
phonograph,
phonetic,
symphony,
homophone,
157. photo
light
158. plac, plais
please
159. plu, plur, plus
more
160. pneuma,
pneumon
breath
euphonious
photograph,
photoelectri
c,
photogenic,
photosynthe
sis
placid,
placebo,
placate,
complacent
plural,
pluralist,
plus
pneumatic,
pneumonia,
161. pod (see ped)
162. poli
city
163. poly
many
164. pon, pos,
pound
place, put
165. pop
people
166. port
carry
167. portion
part, share
metropolis,
police,
politics,
Indianapolis,
megalopolis,
acropolis
polysacchari
de,
polyandrous
, polytheistic
postpone,
component,
opponent,
proponent,
expose,
impose,
deposit,
posture,
position,
expound,
impound
population,
populous,
popular
porter,
portable,
transport,
report,
export,
import,
support,
transportati
on
portion,
proportion
168. pot
power
169. prehendere
seize, grasp
170. prim, prime
first
171. proto
first
172. psych
mind, soul
173. punct
point, dot
174. reg, recti
straighten
175. ri, ridi, risi
laughter
176. rog, roga
ask
177. rupt
break
178. sacr, sanc,
sacred
potential,
potentate,
impotent
apprehend,
comprehend
,
comprehens
ive,
prehensile
primacy,
prima
donna,
primitive,
primary,
primal,
primeval
prototype,
protocol,
protagonist,
protozoan,
Proterozoic,
protoindustr
ial
psyche,
psychiatry,
psychology,
psychosis
punctual,
punctuation,
puncture,
acupuncture
,
punctuation
regiment,
regular,
rectify,
correct,
direct,
rectangle
deride,
ridicule,
ridiculous,
derision,
risible
prerogative,
interrogatio
n,
derogatory
rupture,
interrupt,
abrupt,
disrupt,
ruptible
sacred,
sacrosanct,
secr
179. salv, salu
safe, healthy
180. sat, satis
enough
181. sci, scientia
know
182. scope
see, watch
183. scrib, script
write
184. sed, sess, sid
sit
185. sen
old
186. senescere
to grow old
187. sent, sens
feel
188. sequ, secu,
sue
follow
sanction,
consecrate,
desecrate
salvation,
salvage,
salutation
satient
(giving
pleasure,
satisfying),
saturate,
satisfy
science,
conscious,
omniscient,
cognocienti
telescope,
microscope,
kaleidoscop
e, periscope,
stethoscope
scribe,
scribble,
inscribe,
describe,
subscribe,
prescribe,
manuscript
sediment,
session,
obsession,
possess,
preside,
president,
reside,
subside
senior,
senator,
senile
senescence,
evanescent
sentiment,
consent,
resent,
dissent,
sentimental,
sense,
sensation,
sensitive,
sensory,
dissension
sequence,
consequenc
e, sequel,
subsequent,
189. serv
save, serve
190. sign, signi
sign, mark, seal
191. simil, simul
like, resembling
192. sist, sta, stit
stand
193. solus
alone
194. solv, solu
loosen
195. somnus
sleep
196. soph
wise
prosecute,
consecutive,
second,
ensue,
pursue
servant,
service,
subservient,
servitude,
preserve,
conserve,
reservation,
deserve,
conservatio
n, observe
signal,
signature,
design,
insignia,
significant
similar,
assimilate,
simulate,
simulacrum,
simultaneou
s
assist,
persist,
circumstanc
e, stamina,
status, state,
static,
stable,
stationary,
substitute
solo,
soliloquy,
solitaire,
solitude
solvent,
solve,
absolve,
resolve,
soluble,
solution,
resolution,
resolute,
dissolute
insomnia,
somnambuli
st
sophomore
(wise fool),
philosophy,
sophisticate
197. spec, spect,
spic
look
198. sphere
ball, sphere
199. spir
breath
200. string, strict
draw tight
201. stru, struct
build
202. sume, sump
take, use, waste
203. tact, tang, tag,
touch
d
specimen,
specific,
spectator,
spectacle,
aspect,
speculate,
inspect,
respect,
prospect,
retrospectiv
e,
introspectiv
e, expect,
conspicuou
s
sphere,
stratosphere
,
hemisphere,
spheroid
spirit,
conspire,
inspire,
aspire,
expire,
perspire,
respiration
stringent,
strict,
restrict,
constrict,
boa
constrictor
construe
(build in the
mind,
interpret),
structure,
construct,
instruct,
obstruct,
destruction,
destroy
consume,
assume (to
take, to use),
sump pump
presumption
(to take or
use before
knowing all
the facts
tactile,
contact,
tig, ting
204. tele
far
205. tempo
time
206. ten, tin, tain
hold
207. tend, tent,
tens
stretch, strain
208. terra
earth
209. test
to bear witness
210. the, theo
God, a god
intact,
intangible,
tangible,
contagious,
contiguous
telephone,
telegraph,
telegram,
telescope,
television,
telephoto,
telecast,
telepathy
tempo,
temporary,
extemporan
eously,
contemporar
y, pro tem,
temporal
tenacious,
tenant,
tenure,
untenable,
detention,
retentive,
content,
pertinent,
continent,
obstinate,
contain,
abstain,
pertain,
detain
tendency,
extend,
intend,
contend,
pretend,
superintend,
tender,
extent,
tension,
pretense
terrain,
terrarium,
territory,
terrestrial
testament,
detest,
testimony,
attest
monotheism
, polytheism,
atheism,
211. therm
heat
212. thesis, thet
place, put
213. tom
cut
214. tort, tors
twist
215. tox
poison
216. tract, tra
draw, pull
217. tom
cut
218. tort, tors
twist
theology
thermometer
, theorem,
thermal,
thermos
bottle,
thermostat,
hypothermia
antithesis,
hypothesis,
synthesis,
epithet
atom (not
cuttable),
appendecto
my,
tonsillectom
y,
dichotomy,
anatomy
torture
(twisting to
inflict pain)
retort,
extort,
distort,
contort,
torsion,
tortuous,
torturous
toxic,
intoxicate,
antitoxin
tractor,
attract,
subtract,
tractable,
abstract,
subtrahend
atom (not
cutable,
smallest
particle of
matter),
appendecto
my,
tonsillectom
y,
dichotomy,
anatomy
torture
(twisting to
inflict pain),
retort, extort
(twist out),
219. tox
poison
220. tract, tra
draw, pull
221. trib
pay, bestow
222. turbo
disturb
223. typ
print
224. ultima
last
225. umber,
umbraticum
shadow
226. uni
one
227. vac
empty
228. vale, vali, valu
strength, worth
distort,
contort,
torsion
toxic,
intoxicate,
antitoxin
tractor,
attract,
traction,
subtract,
tractable,
abstract (to
draw away),
subtrahend
(the number
to be drawn
away from
another).
tribute,
contribute,
attribute,
retribution,
tributary
turbulent,
disturb,
turbid,
turmoil
type,
prototype,
typical,
typography,
typewriter,
typology,
typify
ultimate,
ultimatum
umbra,
penumbra,
(take)
umbrage,
adumbrate
unicorn,
unify,
university,
unanimous,
universal
vacate,
vacuum,
evacuate,
vacation,
vacant,
vacuous
equivalent,
valiant,
validity,
229. ven, vent
come
230. ver, veri
true
231. vert, vers
turn
232. vic, vicis
change, substitute
233. vict, vinc
conquer
234. vid, vis
see
235. viv, vita, vivi
alive, life
236. voc
call
evaluate,
value, valor
convene,
intervene,
venue,
convenient,
avenue,
circumvent,
invent,
convent,
venture,
event,
advent,
prevent
very, aver,
verdict,
verity,
verify,
verisimilitud
e
avert, divert,
invert,
introvert,
convertible,
reverse,
controversy,
versatile
vicarious,
vicar,
vicissitude
victor, evict,
convict,
convince,
invincible
video,
evident,
provide,
providence,
visible,
revise,
supervise,
vista, visit,
vision
revive,
survive,
vivid,
vivacious,
vitality,
vivisection
vocation,
avocation,
convocation
, invocation,
evoke,
provoke,
237. vol
will
238. volcan
fire
239. volvo
turn about, roll
240. vor
eat greedily
241. zo
animal
revoke,
advocate,
provocative,
vocal
malevolent,
benevolent,
volunteer,
volition
volcano,
vulcanize,
Vulcan
revolve,
voluble
(easily
turned about
or around or
talkative),
voluminous,
convolution
voracious,
carnivorous,
herbivorous,
omnivorous,
devour
zoo (short
for
zoological
garden),
zoology,
zoomorphis
m
(attributing
animal form
to god),
zodiac
(circle of
animal
constellatio
ns),
protozoan