Word Roots of IELTS Vocabulary

Root Meaning Examples
alter other alternate, alter ego
ami, amic love amiable, amicable
amphi both ends or all sides amphibian, amphitheater
ann, enni year anniversary, annual, biennial, perennial
anthrop human, man anthropology, anthropomorphic, misanthrope
aqua, aque water aquatic, aquarium, aqueduct
arch chief, leader, ruler archangel, monarch, archaic, archenemy
aud sound auditorium, audible, audiologist, audiotape
bell war belligerent, bellicose
biblio book bibliography, bibliophile
bio life biography, autobiography, biology, antibiotic
brev short brief, abbreviate, brevity
cap take, seize capture, captivate, capacity
carn meat carnivorous
ced yield, go recede, secede, proceed, intercede, concession
chrom color chromatic, monochrome, polychrome
chron time chronicle, chronology, chronometer, synchronize
cogn know recognize, cognitive, incognito
cord/chord cord harpsichord
corp body corpus, corpse, corporal
crac, crat rule, ruler aristocracy, autocrat, democracy, bureaucrat
cred believe credible, credulous, credibility, credit, credo, incredible
cruc cross crucifix, crucial
crusta shell crustacean
crypt hidden cryptogram, cryptology, cryptic
culp guilt culpable, culprit
dei god deity, deify
demo people demography, democracy, epidemic
derm skin dermatology, epidermis, hypodermic
dic speak, say dictate, predict, diction, indict
dox belief, opinion orthodoxy, paradox, heterodoxy
duc, duct lead induce, deduce, seduction, conduct, abduction
duo two duo
dynam power dynamo, dynamics
ego self egotist, egomania
equ equal equal, equity, equanimity, equate, equidistant
fac make, do manufacture, factory, benefactor
fil threadlike filament
frater brother fraternal, fraternize
gam- marriage monogamy, polygamy, bigamy
geo- earth geopolitical, geology, geography, geothermal
grad, gress step gradual, progression, transgression
graph writing, printing graphology, biography, telegraph, geography
gyn- woman gynecologist, androgynous, misogyny
hemo, hema, hem blood hemophilia, hematology, hemoglobin
holo whole, entire holograph
hydro, hydr water dehydrate, hydraulics, hydroelectric, hydroplane
ject throw inject, reject, subject, projection
leg, lect read, choose legible, lectern, lecturer, election
liter letter literature, illiterate, literal
loc place local, location
log word monologue, epilogue
luc light lucid, elucidate
magn large magnify, magnate, magnificent
man hand manufacture, manual, manuscript
mar sea marine, mariner
mat, mater mother maternal, maternity, matriarchy, matricide
meta behind, between, beyond metacognition, metaphysics
metri, meter measure geometric, thermometer, odometer
min small minority, minuscule, minute
mit, miss send permit, submission, mission, emit
mob, mot, mov move mobile, automobile, motion, promote, movie
mon warn premonition, admonition
mor, mort death mortal, mortician, immortality
morph form, structure metamorphosis, amorphous, morphology
mut change mutant, mutability, mutate
neuro nerve neurology, neurosis, neuron
nomen, nomin name nominal, nominate, nomenclature
nov new novel, renovate, innovation
nym, onym word, name synonym, acronym, anonymous, pseudonym
odonto tooth orthodontist
ortho- straight, correct orthodox, orthodontist, orthopedic
pac peace pacify, pacifist
pater father paternal, paternity, patricide, patriotic
path feeling, suffering sympathy, apathy, empathy, telepathy, pathology
ped, pod foot pedal, pedometer, centipede, gastropod
pel, puls push pulsate, repulsive, impulse, compel, propel
pend hang, weigh append, depend, pendulum, pendant, suspend, pending
phon, phono sound, voice cacophony, euphony, phonograph, telephone
plan flat planar, plantation, plane
pneum lung pneumatic, pneumonia
pod feet podiatrist, tripod
port carry portable, transport, portage, report
pot power potent, omnipotent, potentate
psych- soul, spirit, mind psychology, psychic
pug, pugna fight pugnacious, pugilist
quer, quis ask query, inquisition
scent, scend climb ascend, ascent
schizo, schiz division, split schizophrenic, schism
sci know scientific
scrib, script write manuscript, scribe, scripture
sec, sect cut dissect, section
sed, sess sit sedentary, session
sens, sent feel, be aware sensible, sentient
sequ, secu follow sequence, sequel, consecutive
serv serve, protect service, servile
simil same similar, assimilate, simile, facsimile
siphon tube siphon
sol sun solar
son sound sonar, resonate, unison
soph wisdom, knowledge philosophy, sophomoric
spec, spic look, see spectacles, spectator, inauspicious, prospect
spir coil spiral
spir breathe inspire, respiration, conspire, perspiration
spond, spons promise, answer for respond, responsible
spont by one's own force spontaneous
stat stand, position station, status
tang, tact touch tangible, tactile
temp time temporary, temporize
ten hold tenable, tenant
ter, terr earth subterranean, terrain, terrestrial, disinter
theo god, deity theology, polytheism, atheist
therm- heat thermal, thermos, thermometer
trophy nutrition, food atrophy
uro urine urologist
vac empty vacuum, vacuous, vacant
ven, vent come, go intervene, convene, contravene
ver truth veracity, verify, verity
vert turn introvert, irreversible, vertigo
vit life vital, vitamin
Written by Anne.
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