Word Part
Meanings
Vocabulary Words
a-, an-
not, without
apathy, amoral, anonymous, anarchy
ab
away
abduct
acr-, acro, alt, alti
high, height
acrobat, acrophobia, altitude, altimeter
ad
to, toward, at
adduct
aero
air
aerodynamic,
ager, agri, agro
field
agriculture, agronomy
ambi, amphi
around, both
ambu
to walk; to go
ambidextrous, ambiguous, ambivalent, amphitheater, amphibian ambulatory, ambulance, preamble,
ami, amo
love; life
amiable, amity, amicable
ana
up, against
anapest,
andr
male
android
ante-
before
antecedent, antebellum, ante room
ant-, anti-
against; opposite
antibiotic, antisocial,
ann, enn
year
annals, annual, anniversary, biennial
anthrop
human being
aqu, aqua, aque
water
anthropology, philanthropist, anthropomorphic aquarium, aquatic,
arch
leader; government
archbishop, monarch,
-arium, -ary
place of or for
aquarium, terrarium, library
aster, astr, astro
star
astronaut, astronomy, asterisk, asteroid
aud, audio, audit
to hear
aut, auth, auto
self; oneself
bel
war
auditorium, audition, audio-visual, audible autism, author, automatic, autobiography antebellum, rebellious, bellicose
bene
well
beneficial, benevolent, beneficent
bonus, bon
good
bonanza, bona fide, bon voyage
bi, bin
two; twice; double
bigamy, bilingual, binary, bisect,
Word Part
Meanings
Vocabulary Words
bio, bious
life; living
biblio
book
biology, biography, biopsy, amphibious bibliography, bibliophile, Bible
brevis
short, brief
abbreviate, brief
caco
bad, poor, evil
cacophony
capere, captum, cip, cept cata
to take; to hold; to contain down
capacious, incipient, intercept, capable, captive, participate catacomb, catapult
cede
to go
antecedent, precede, cede
cent, centu chiro, cheir
hundred; hundredth hand
percent, centimeter, centigrade, centennial chiropractor
chroma, chromato
color
chromotheraphy
chron, chrono
time
chronic, synchronize, chronological
cide
to cut; to kill
incision, pesticide, homicide
circum
around
cog, cogn
to know; to think
circumference, circumvent, perimeter, peripheral cognitive, metacognition, cogitate
co-, col-, com-, concon, contra, contro
with; together against, opposite
cooperate, collaborate, compassion, convert, conjunction contradict, controversy, contravene
corp, corpor
body
corpse, corps, corporation, corpuscle
cosmo
world; universe
-cracy, crat, cratic
rule; government
cred, credit
belief; trust; faith
cosmopolitan, microcosm, cosmic, macrocosm democracy, aristocratic, theocracy, autocracy credible, credit, credence, incredible
crypto
hide
cryptic
cur
to run
cyclos
circular, wheel
concourse, concur, courier, concurrent, cursive, excursion, occur, recur cycle, cycling
Word Part de
dec, deca, decem, deci dem
Meanings
Vocabulary Words
down; to remove; to undo ten; a tenth part
dehydrate, destruction, deduct, dejected
people
democratic, epidemic, demographics
decade, decagon, December, decimeter
dentron
tree
derm, derma
skin
dermis,
deutero, deuter
second
Deuteronomy,
di-, dia-
across; through
diagonal, diameter, dialogue, diagnosis
dict
say; tell; words
dis, dif
apart; different
verdict, contradict, dictator, benediction dissect, distance, disintegrate, dissent,
dodeca
twelve
dodecahedron
doxo
opinion, praise
heterodox, doxology
duct
lead
conduct, deduct,
dys
difficult, bad
dysfunctional
frater
brother
fraternity, fraternal, fraternize
emia
blood
leukemia, anemia
equi
equal
equilateral
eu
good; well
eulogy, euphoria, euphemism
e-, ex-,
out; out of
extra, extro
outside
erupt, eject, exterminate, export, exonerate extraordinary, extracurricular, extrovert, extradite
fac, fact, fect, fic
make; do
facsimile, factory, effect, affect, fiction
fed
league
confederacy, federation
fid
trust
fin
end
confide, confidant, fidelity, fiduciary, perfidy finish, final, finite, infinite, finale
Word Part
Meanings
Vocabulary Words
flect, flex
bend
foregee, geo
before – time/place forecast, foretell, forehead, forehand, foresight earth geology, geography, geothermal
gen
type
general, generate
grad, gress
graduate, progress, regress, centigrade
granum, grani
to step; to go; a degree seed, kernel
graph
write
gratia, gratus
gyn, gyno
agreeable; favor; thank to weigh down; heavy flock; herd; to gather female
autograph, biography, prescribe, inscription congratulate, gratitude, gratuity
hem, hemo
blood
hemorrhage, hemophilia
heteros
other
heterogeneous
hom, homo
one; same; like
homi, homo
man; human
homogeneous, homogenize, homologous homo sapiens, homicide
hydro
water
hydroplane, dehydrate
hyper
over; above
hyperactive, hyperventilate, hyperbole
hypo
under; below; less
il-, im-, in-, ir-
into; within
hypothermia, hypodermic, hypoglycemia illuminate, import, induction, irrigate
il-, im-, in-, ir-,
not; without
illegal, impossible, inflexible, irrational
inter
between; among
intra, intro
inside; within
intersect, interstate, intervene, international intramurals, intravenous, introspective introvert
gravare, gravis grex, gregis, gregar
reflection, flexible, reflex, inflection
granary, granule
aggravate, gravity, grave, grief segregate, congregate, gregarious gynecologist, misogynist
Word Part
Meanings
Vocabulary Words
ject
throw; cast
jud
law
eject, inject, reject, interject, subjected, dejected judicial, adjudicate,
kilo
one thousand
kilometer, kilogram
laborare
to work
collaborate, elaborate, laboratory
lacto, lact
milk
lactate, lactose
latus
side
lateral, bilateral, collateral
leg, legis, legalis, lex liber
law
legal, legitimate, legislate, privilege
book
libel, libretto
liber
free
ligare
to bind
liberate, liberty, liberal, liberation, libertine allegiance, ally, oblige, ligature
lingua
tongue; language
linguistics, lingual, language
littera
letter
obliterate, literature, letter, literal
loc
place
location, locale, local
logical, logist, logue, logy, loquy
biological, ecologist, monologue, psychology, soliloquy, chronological
lum, luc
science; study of; speech; collection light
macro
large
macrocosm, macroeconomics
magna, magni
great; large
mal-, male-
bad; evil; ill; harm
mater, matri
mother
medi
in the middle
mega, megalo
large, powerful, great, enlarged after, over, between, beyond
magnify, magnificent, magnitude, Magna Carta malicious, malignant, malpractice, malnutrition maternal, maternity, matrimony, matriarchy mediator, median, medieval, mediocre, medium mega, megalomaniac
meta
illuminate, luminary, lucid
metaphysical, metacognition, metathesis
Word Part
Meanings
Vocabulary Words
meter, metry
measure
micro
small
mill, milli, mile
one thousand
perimeter, thermometer, trigonometry, symmetry microscope, microbiology, microcosm, microenconomic millennium, milliliter
milit
soldier
militia, militant,
mis
mischief, misdemeanor, misinform
miss, mit(t)
wrong; bad; mistake sen
mono
one
morph
shape, form
mort
die; death
mult, multi
many; much
naut
sailor
neg-, non-
not; without
amorphous, metamorphic, morphology mortal, immortal, mortuary, postmortem multitude, multilingual, multilateral, multimedia nautical, astronaut, aeronautics, cosmonaut negative
neo
new
neophyte, neoclassical
nomin/nym
name; word
non
not
nov
new
nominate, nomenclasure, synonym, homonym non-allergenic, non-applicable, nondescript novelty, renovation, innovation, novice
ob-
in the way
-oid
form
omni
all
omniscient, omnipotent
-orium, -ory
place of or for
auditorium, factory
pan
all
panorama, panacea
para
beside
parable, paradox, parallel
missionary, missile, transmit, emit, mission monologue, monogamy, monopoly
obstacle, obstruction, object, obnoxious
Word Part
Meanings
Vocabulary Words
pater, patri
father
paternal, patriot, patriarchy
pathy
feeling
sympathy, apathy, empathy
ped, pedo
child, children
pediatrician, pedagogy
ped, pod, pus
foot; feet
pedestrian, podiatrist, tripod, octopus
pel, puls
drive
expel, repulse, compel, impulsive
pend, pens
hang
pendant, suspense, pending, pensive
per
persecute, perfect
peri
through, completely around
phil
love
phobia
fear
phon
sound
photo
light
philosophy, philharmonic, Philadelphia claustrophobia, acrophobia, hydrophobia phonics, microphone, symphony, telephone photosynthesis
poly
many
pon, posit
put; place
port
carry
post
after
pre-
before
pro, pur
before, for
pseudo
false
psyche
mind; soul; spirit
quadri, quadr
four times, four fold back; again
re
perimeter, peripheral
polygon, monopoly, polytheism, polysaccharide postpone, deposit, composite, depot, imposition portable, export, import, deport, report posterior, post-graduate, post script, post mortem predict, prefix, premonition, prescription proceed, purport. pursue pseudonym, pseudo-science, pseudopod psychological, psychiatrist, psyche quadrilateral, quadrant, quadriceps repetitive, recapitulate, redundant, regressive
Word Part
Meanings
Vocabulary Words
retro
backward
retrospective,
-rupt
break
interrupt, erupt, corrupt, abrupt
scribe, script
write
prescribe, inscription
se
apart, aside
seclude, select
sect
cut; divide
bisect, dissect, intersection, section
semi
half
sens, sent
feeling
semimonthly, semiconscious, semicolon sensitive, consent
sis
condition
soror
sister
sorority, sororal
spect
look
spir, spire, pire
breath, breathe
sub
below; under
super
above; beyond
introspection, spectacle, spectator, inspect respiration, inspiration, expire, perspiration suburban, submerge, subsidiary, subordinate supernatural, superior, superfluous
syn, sym
same; together
tele
afar
ten, tain
hold
termin
end
synonym, symphony, symmetrical, symposium telephone, telescope, telecommunications contain, detain, retain, tenacity, contend terminate, terminal, exterminate
terr
earth
terrarium, terrain, territory
theo
god (religion)
therm, thermy
warm; hot; heat
theology, monotheism, atheist, polytheism thermometer, thermostat, hypothermia
tract
pull, drag, draw
trans tri
across three
attract, extract, tractor, intractable, retract, protract transformation, transcend, transfer triangle, tricycle, trilateral, triglycerides
Word Part
Meanings
Vocabulary Words
ultra
above; beyond
ultraviolet
un
not; without
undecided, undo, unsure
uni
one
universe, unit
urb
city
urban, urbanologist, urbane, urbanize
ven, vent, vene
come
ver
truth
intervention, convene, convention, intervene verdict, verity, verify, veracity
vers, vert
turn
aversion, extrovert, reverse, introvert
vid, vis
see
video, visual, invisible, television