Root, Prefix or Suffix
Meaning
Examples
a, ac, ad, af, aside ,accompany ,adjust ,aggression to, toward, near, ag, al, an, ,allocate, annihilate ,affix ,associate, attend, in addition to ,by ap, as, at adverb a, an
not, without
apolitical, atheist, anarchy, anonymous, apathy, aphasia, anemia
ab, abs
away from, off
absolve, abrupt, absent
act, ag:
do, act, drive
active, react, agent, active, agitate
am, ami
love, like
amorous, amiable, amicable
ambul
to walk
ambulatory, amble, ambulance, somnambulist
anim
mind, life, spirit, anger
animal, animate, animosity
ann, annu, enni
yearly
annual, annual, annuity, anniversary, perrenial
ante
before
anterior, anteroom, antebellum, antedate, antecedent antediluvian
anti, ant
against, opposite
antisocial, antiseptic, antithesis, antibody, antichrist, antinomies, antifreeze, antipathy
auc, aug, aut
to originate, to increase
augment , author, augment, auction
aud, audi, aur
to hear
audience, auditory, audible, auditorium, audiovisual, audition, auricular
auto
self
automobile, automatic, automotive, autograph, autonomous, autoimmune
-acy, -cy
Noun: state or quality
privacy, nfancy, adequacy, intimacy, supremacy
-age
Noun: activity, or courage, suffrage, shrinkage, tonnage result of action
-al
Noun: action, result of action
referral, disavowal, disposal, festival
-an
Noun: person
artisan, guardian, historian, magician
Noun: action, -ance, -ence state, quality or process
resistance, independence, extravagance, fraudulence
-ancy, -ency
Noun: state, vacancy, agency, truancy, latency quality or capacity
-ant, -ent
Noun: an agent, something that
disinfectant, dependent, fragrant
performs the action -ate
Noun: state, office, fuction
candidate, electorate, delegate
-ation
Noun: action, resulting state
specialization, aggravation, alternation
-ate
Verb: cause to be graduate, ameliorate, amputate, colligate
-able, -ible
Adjective: worth, solvable, incredible ability
-al, -ial, -ical
Adjective: quality, structural, territorial, categorical relation
-ant, -ent, ient
Adjective: kind of important, dependent, convenient agent, indication
-ar, -ary
Adjective: resembling, related to
-ate
Adjective: kind of inviolate state
bene
good, well, gentle
benefactor, beneficial, benevolent, benediction, beneficiary, benefit
bi, bine
two
biped, bifurcate, biweekly, bivalve, biannual
bio, bi
life
biography, biology
bibli, biblio
book
bibliophile, bibliography
brev
short
abbreviate, brevity, brief
cad, cap, cas, ceiv, cept, capt, cid, cip
to take, to seize, to hold
receive, deceive, capable, capacious, captive, accident, capture, occasion, concept
cat, cata, cath
down, with
catalogue, category, catheter
ceas, cede, ceed, cess
to go, to yield
succeed, proceed, precede, recede, secession, exceed, succession
cent
hundred
centennial, century, centipede
centr
center
eccentricity, centrifugal, concentric
chron
time
chronology, chronic, chronicle chronometer, anachronism
cide, cis
to kill, to cut
fratricide, suicide, incision, excision, circumcision
around
circumnavigate, circumflex, circumstance, circumcision, circumference, circumorbital, circumlocution, circumvent, circumscribe,
circum
spectacular, unitary
circulatory clam, claim
shout
acclaim, clamor, proclaim, exclaim
clin
lean, bend
decline, aclinic, inclination
clud, clus claus
to close, shut
include, exclude, clause, claustrophobia, enclose, exclusive, reclusive, conclude
co, cog, col, con, com, with, together cor
cohesiveness, cognate, collaborate, convene, commitment, compress, contemporary, converge, compact, confluence, convenient, concatenate, conjoin, combine, correct
com, con
fully
complete, compel, conscious, condense, confess, comfirm
cogn, gnos
know to know
recognize cognizant diagnose agnostic
contra, counter
against, opposite
contradict, counteract, contravene, contrary, counterspy, contrapuntal
corp
body
corporate, corpse, corpulent, incorporate
cour, cur, curr, curs
run, course
occur, excursion, discourse, courier, course
cort
correct
escort, cortage
cre, cresc, cret, crease
grow
create, crescent, accretion, increase
cred
to believe
credo, credible, credence, credit, credential, incredible, credulity, incredulous
cycl
circle, wheel
bicycle, cyclical, cycle, encliclical
de
from, down, detach, deploy, derange, decrease, away, to do the deodorize, devoid, deflate, degenerate, deice opposite, against
dec
ten
decimal, decade, decalogue, decimate
dec, dign
suitable
decent decorate dignity
dei, div
God
divinity, divine, deity, divination, deify
demo
people
democracy, demagogue, epidemic
di
two
divide, diverge, diglycerides
dia
through, across, between
diameter, diagonal, dialogue dialect, dialectic, diagnosis, diachronic
dic, dict, dit
say, speak
predict, verdict, malediction, dictionary, dictate, dictum, diction, indict
dit
give
dis, dys, dif
dismiss, differ, disallow, disperse, dissuade, away, not, divide, disconnect, dysfunction, negative, opposite disproportion, disrespect, distemper, of, separate distrust, distaste, disarray, dyslexia
doc, doct
teach, prove
docile, doctor, doctrine, document
dog, dox
thought, idea
dogma, orthodox, paradox
duc, duct
to lead, pull
produce, abduct, product, transducer, viaduct, aqueduct, induct, deduct, reduce, induce
-dom
Noun: place, state wisdom of being
ecto
outside, external
ectomorph, ectoderm, ectoplasm
endo
inside, withing
endotoxin, endoscope, endogenous
equi
equal
equidistant, equilateral, equilibrium, equinox, equitable, equation, equator
e, ex, ef, es, out, away, from, ec fully
emit, expulsion, exhale, exit, express, exclusive, enervate, expel ,exceed, explosion
en, em
put into, make
enamor, empower
epi
upon, beside, over
epilogue
ev, et
time, age
medieval, eternal
exter, extra
outside of, beyond
external, extrinsic, exterior extraordinary, extrabiblical extracurricular, extrapolate, extraneous
-er, -or
Noun: person or thing that does something
porter, collector
-ed
Verb: past tense
attained
-en
Verb: to cause to moisten become
-er, -or
Verb: action
-ed
Adjective: having terraced the quality of
-en
Adjective: material
silken
-er
Adjective: comparative
brighter
-est
Adjective: superlative
strongest
fa, fess
speak
fable, fabulous, fame, famous, confess, profess
ponder, clamor
fac, fact, fec, make do, do fic, fas, fea
difficult, fashion, feasible, feature, factory, fact, effect
femto
femtosecond
quadrillionth
fer
bear, carry
fertile, infer, refer
fic, feign, shape, make, fain, fit, feat fashion
fiction, faint, feign
fid
belief, faith
confide, diffident, fidelity
fig
shape, form
figurem, effigy, figure, figment
flect, flex
to bend
flexible, reflection, deflect, circumflex
flict
strike
affliction, conflict, inflict
flu, fluct, flux
flow
effluence, influence, effluvium, fluctuate, confluence, reflux, influx, fluid
for, fore
before
forecast, fortune, foresee
form
shape
format, formulate
fort
strength
effort, forte, fortifiable
fract, frag, frai
break
frail, fracture, fragment
fuge
flee
subterfuge, refuge, centrifuge
fuse
pour
-ful
Noun: an amount or quanity that mouthful fills
-ful
Adjective: having, fanciful giving, marked by
-fold
Adverb: in a manner of, marked by
-fy
make
gen, gin
to give birth, kind generate, generally, gingerly, indigenous
geo
earth
geography
giga
billion
gigabyte, gigaflop
gor
to gather, to bring together
category, categorize
fourfold
grad, gress, to gather, to gree bring together
grade, degree, progress
graph, gram, to write, draw graf
polygraph, grammar, biography, graphite, telegram, autograph, lithograph, historiography, graphic
hale
brathe
her, hes
to stick
adhere, hesitate
hetero
other
heterodox, heterogeneous, heterosexual, heterodyne
hex, ses, sex six
hexagon, hexameter, sestet, sextuplets
homo
same
homogenized, homosexual, homonym, homophone
hyper
over, above
hyperactive, hypertensive, hyperbolic, hypersensitive, hyperventilate, hyperkinetic
in, im, il, ir
not
illegible, irresolute, inaction, inviolate, innocuous, intractable, innocent, impregnable, impossible, imposter
in, im, (il)
in, into, on, near, instead, import toward
infra
beneath
infrared, infrastructure
inter
between, among
international, intercept, interject, intermission, internal, intermittent,
intro
into, within
interoffice, introvert, introspection, introduce
it
go
-ian, an
Noun: related to, pedestrian, human one that is
-ia
Noun: names, diseases
phobia
-iatry
Noun: art of healing
psychiatry
-ic, ics
Noun: related to the arts and sciences
arithmetic, economics
-ice
Noun: act
malice
-ing
Noun: material made for, activity, flooring, swimming, building result of an activity
-ion
Noun: condition or action
abduction
-ism
Noun: doctrine, belief, action or conduct
formalism
-ist
Noun: person or member
podiatrist
-ite
Noun: state or quality
graphite
-ity, ty
Noun: state or quality
lucidity, novelty
-ive
Noun: condition
native
-ify
Verb: cause
specify
-ing
Verb: present participle
depicting
-ize
Verb: cause
fantasize
-ic
Adjective: quality, generic relation
-ile
Adjective: having projectile the qualities of
-ing
Adjective: activity cohering
-ish
Adjective: having newish the character of
-ive, -ative, - Adjective: having festive, cooperative, sensitive itive the quality of jac, ject
to throw
judice
judge
jug, junct, just
to join
labor
work
lex, leag, leg law
reject, eject, project, trajectory, interject, dejected, inject, ejaculate
junction, adjust, conjugal
legal, college, league
lect, leg, lig
choose, gather, select, read
lide
strike
loc
place, area
location, locally
log
say, speech, word, reason, study
logic
luc, lum, lust:
light
translucent, illuminate, illustrate
lude
play
-less
Adjective: without, missing
motiveless
-ly
Adverb: in the manner of
fluently
mal
bad, badly
malformation, maladjusted, dismal, malady, malcontent,malfunction, malfeasance, maleficent
man, manu
hand, make, do
manage, management
main
bide
metr
admeasure
collect, legible, eligible
megaphone, megaton, megaflop, megalomaniac, megabyte, megalopolis
mega
great, million
mem
recall, remember memory, commemorate
ment
mind
mental, mention
min
little, small
minute, minor, minuscule
meso
middle
mesomorph, mesoamerica, mesosphere
meta
beyond, change
metaphor, metamorphosis, metabolism, metahistorical, metainformation
micro
millionth
microgram, microvolt
mill, kilo
thousand
millennium, kilobyte, kiloton
milli
thousandth
millisecond, milligram, millivolt
mis
misconduct, misinform, misinterpret, wrong, bad, badly mispronounce, misnomer, mistake, misogynist
mit, miss
to send
transmit, permit, missile, missionary, remit, admit, missive, mission
mob, mov, mot
move
motion, remove, mobile
mono
one
monopoly, monotype, monologue, mononucleosis, monorail, monotheist,
morph
shape
polymorphic, morpheme, amorphous
multi
many
multitude, multipartite, multiply, multipurpose
-ment
Noun: condition or result
document
nano
billionth
nanosecond, nanobucks
nasc, nat, gnant, nai
to be born
nascent, native, pregnant, naive
nom, nym
name
nominate, synonym
non
nine
nonagon
non
not
nonferrous, nonsense, nonabrasive, nondescript
nov
new
novice, novelty
-ness
Noun: state, kindness condition, quality
oct
eight
octopus, octagon, octogenarian, octave
ob, oc, of, op
toward, against, in the way
oppose, occur, offer, obtain
omni
all
omnipotent, omnivorous, omniscient
oper
work
operate, opus
over
excessive, above
overwork, overall, overwork
-or
Noun: condition or activity
valor
-ory
Noun: place for, serves for
territory
Adjective: having -ous, -eous, the quality of, adventurous, courageous, verbose, fractious -ose, -ious relating to pair, pare
arrange
pat, pass, path
feel, suffer
patient, passion, sympathy, pathology
para
beside
paradox, paraprofessional, paramedic, paraphrase, parachute
ped, pod
foot
impede, pedestal, podium, pedestrian
pel, puls
drive, push
repel, pulse
pend, pond, to hang, weigh pens
suspend, append
per
through, intensive
persecute, permit, perspire, perforate, persuade
peri
around
periscope, perimeter, perigee, periodontal
phan, phas, show, make phen, fan, visible phant, fant
phantom, fantasy
phe
speak
phil
love
philosopher
phon
sound
telephone, phonics, phonograph, phonetic, homophone, microphone
phot
light
photograph, photosynthesis, photon
pico
trillionth
picofarad, picocurie
pict
paint, show, draw picture, depict
pli, ply
fold
plore
weep
poly
many
polytheist, polygon, polygamy, polymorphous
pon, pos
put, place
postpone, position, posture
port
to carry
porter, portable, report, transportation, deport, import, export
post
after, behind
postpone, postdate
reply, implicate, ply
pre, pur
before
prim, prin
first
pro
for, foward
propel
psych
mind
psychology
pute
think
quat, quad
four
quint, penta five
precede
quadrangle, quadruplets quintet, quintuplets, pentagon, pentane, pentameter
quip
ship
quir, quis, quest, quer
seek, ask
query, inquire, exquisite, quest
re
back, again
report, realign, retract, revise, regain
retro
backwards
retrorocket, retrospect, retrogression, retroactive
rupt
break
rupture, corrupt, interrupt
sanct
holy
sanctify, sanctuary, sanction, sanctimonious, sacrosanct
sci, scio
to know
conscious, science
scrib, script
to write
inscription, prescribe, proscribe, manuscript, conscript, scribble, scribe
se
apart, move away secede from
sect, sec
cut
intersect, transect, dissect, secant, section
sent, sens
feel, think
sentiment, sensation
semi
half
semifinal, semiconscious, semiannual, semimonthly, semicircle
sept
seven
septet, septennial
serve
keep
sequ, secut, follow sue
sequence, consecutive, ensue
sist
to withstand, make up
insist
soci
to join, companions
sociable, society
sol
alone
solitary, isolate
solv, solu, solut
loosen, explain
solve, absolute, soluble
spect, spec, to look, see spi, spic,
inspect, spectator, circumspect, retrospect, prospect, spectacle
sper
hope
spir
breath, soul
respiration, inspire
stand, stant, stab, stat, stand stan, sti, sta, st, stead
stature, establish, stance
strain, strict, bind, pull string, stige
constrict, restrain, stringent, prestige
stru, struct, stroy, stry
destroy, misconstrue, obstruct
build
sub, suc, under, below, suf, sup, sur, from, secretly, sus instead of
sustain, survive, support, suffice, succeed, submerge, submarine, substandard, subnormal, subvert
super, supra over, above
superior, suprarenal, superscript, supernatural, superimpose, supercede
syn, sym
together, at the same time
sympathy, synthesis, synchronous, syndicate
-ship
Noun: status, condition
relationship
-ster
person
tact, tang, tig, ting
touch
tactile, tactilely, tangible, contiguous, contingent
tain, ten, tent, tin
hold, keep, have
retain, continue, content, tenacious
tect, teg
cover
detect, protect, tegular, tegument
tele
distance, from afar
television, telephone, telegraph, telemetry
tend, tens, tend
stretch
contend, extensive
tera
trillion
terabyte, teraflop
term
end, boundary, limit
exterminate, terminal
terr
earth
territory, terrain
test
see, witness
attest, testify
tire
draw, pull
theo, the
God
theology, theist, polytheist
therm
heat
thermometer, thermal
tor, tors, tort twist
torsion, torment, contort
tract, trai, treat
attract, tractor, traction, extract, retract, protract, detract, subtract, contract,
to drag, draw , pull
intractable trans
across, beyond, change
transform, transoceanic, transmit, transport, transducer
tri
three
tripod, triangle, trinity, trilateral
tribute
give
un
not, against, opposite
unceasing
uni
one
uniform, unilateral, universal, unity, unanimousone, unite, unison
unti
before
-ure
Noun: act, condition, exposure, conjecture process, function
vac
empty
vade
go
veh, vect
to carry
vector, vehicle, convection, vehement
ven, vent
come
convene, invent, prevent
ver
true
verify
verb, verv
word
verify, veracity, verbalize, verve
vert, vers
to turn, change
convert, revert, advertise, versatile, vertigo, invert, reversion, extravert, introvert
vi
way
vid, vie, vis
see
visible, video, review, indivisible
vit, viv
life
vital, vitality, vitamins, revitalize, revive
voc, voke
call
vocal, revoke
volv, volt, vol
roll, turn
revolve, revolt, evolution
with
against
-ward
Adverb: in a direction or manner
homeward
-wise
Adverb: in the manner of, with regard to
timewise
-y
Noun: state, condition, result of an activity
society, victory
-y
Adjective: marked hungry by, having
vacant, vacuum