SAT Prefixes
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Prefix: a
Meaning: without
Examples: apathy, amoral, asymmetrical
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Prefix: ab
Meaning: away
Examples: absent, abduct, abnormal, abort
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Suffix: -cious, -uous
Meaning: abounding in
Examples: vivacious, voluptuous
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Root: acu
Meaning: sharp
Examples: acute, acupressure, acupuncture, acuity
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Root: agri
Meaning: farming
Examples: agriculture, agrarian
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Root: alb
Meaning: white
Examples: albino, albumen, albacore
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Prefix: amb
Meaning: both
Examples: ambivalent, ambiguous, ambidextrous
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Root: ambul
Meaning: walk, move
Examples: amble, ambulance, ambulant
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Root: amic
Meaning: friendly
Examples: amicable, amicably
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Prefix: ana
Meaning: back
Examples: anachronism, anabasis
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Prefix: anti (ant)
Meaning: against, opposite
Examples: antagonist, antidote, antibiotics
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Root: arche (archi)
Meaning: primitive, origin
Examples: archaic, archaeology, archive
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Root: auto
Meaning: self
Examples: autopilot, autonomous, autocratic
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Root: bel
Meaning: war, fight
Examples: rebel, antebellum, bellicose
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Root: bene
Meaning: good
Examples: benefit, benign, benevolent, benefactor
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Prefix: bi
Meaning: two
Examples: bicycle, biceps, biscotti, biweekly
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Root: cata
Meaning: intensive, according to
Examples: cataclysm, catastrophic, catalog
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Root: cede (cess, ced)
Meaning: go, withdraw
Examples: recede, exceed, recession
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Suffix: ceive
Meaning: take
Examples: receive, perceive, reconceive
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Root: cent
Meaning: hundred
Examples: centennial, century, percent
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Root: cerebr
Meaning: brain
Examples: cerebral, cerebrate
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Root: cert
Meaning: sure
Examples: certain, ascertain, certify
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Root: chron
Meaning: time
Examples: chronicle, chronology, anachronism
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Root: cide
Meaning: kill
Examples: genocide, pesticide
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Root: circum
Meaning: around
Examples: circumference, circumstance
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Root: clam (claim)
Meaning: shout, speak
Examples: exclaim, clamor, proclaim
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Root: clar
Meaning: clear
Examples: clarify, clarification, declare
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Root: clud (clus)
Meaning: close
Examples: conclusion, seclude, conclude
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Root: clin (cline)
Meaning: lean
Examples: inclination, incline, recline
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Prefix: co
Meaning: with, together, joint
Examples: coauthor, cosign, collaborate, cooperate
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Root: cog
Meaning: know
Examples: cognitive, incognito, cognition
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Prefix: con
Meaning: together, common
Examples: connect, convention, concur
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Prefix: contra
Meaning: against
Examples: contraband, contrary
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Root: corp
Meaning: body
Examples: corporation, corpse, corporal
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Prefix: counter
Meaning: opposing, contrary
Examples: counteract, counterintuitive, counteroffer
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Suffix: cracy (crat)
Meaning: rule
Examples: democracy, democrat, theocracy, bureaucracy
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Root: cred
Meaning: believe
Examples: incredible, credit, credulous, credence
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Root: crypt
Meaning: hidden, secret
Examples: cryptic, encrypt
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Root: culp
Meaning: blame, fault
Examples: culpable, exculpate, culprit
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Root: cumul
Meaning: mass, heap
Examples: accumulate, cumulative
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Root: dem
Meaning: people
Examples: democracy, demographics
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Prefix: di
Meaning: twice, two
Examples: dilemma, diverse, dioxide
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Prefix: dia
Meaning: across, through
Examples: dialogue, diameter, diagnosis
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Root: domin
Meaning: master
Examples: dominate, predominate, domineering
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Root: don
Meaning: give
Examples: donate, pardon, donor
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Root: dorm
Meaning: sleep
Examples: dormitory, dormant, dormer
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Root: dur
Meaning: harden, long-lasting
Examples: durable, duration, endure
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Root: dyn
Meaning: power, energy
Examples: dynamite, dynamic
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Suffix: ence (ance)
Meaning: state, condition
Examples: performance, conference, insurance
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Root: esth (aesth)
Meaning: beauty, feeling
Examples: esthetician, aesthetic, kinesthesia
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Root: ethn
Meaning: nation, race
Examples: ethnicity, ethnology, ethnocentric
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Prefix: eu
Meaning: good, well
Examples: euphemism, euphoria
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Prefix: ex
Meaning: out, former
Examples: exit, ex-girlfriend, exterminate, extract
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Prefix: extra
Meaning: beyond
Examples: extraordinary, extraterrestrial, extravagance
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Suffix: fer
Meaning: carry, bring
Examples: transfer, ferry, conifer, confer
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Root: fid
Meaning: trust
Examples: confidence, fidelity
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Root: flect (flex)
Meaning: bend
Examples: reflect, flexible, inflect, deflect
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Root: fore
Meaning: in front of, previous
Examples: before, therefore, forebode, forecast
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Root: fusc
Meaning: dark
Examples: obfuscation, infuscate, subfuscous, fuscous
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Root: ger
Meaning: old age
Examples: geriatrics, gerontology
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Root: grad (gress)
Meaning: to step, to go
Examples: digress, gradual, graduate
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Root: gyn
Meaning: woman
Examples: gynecology, androgynous, misogyny
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Prefix: homo (homeo)
Meaning: same, alike
Examples: homogeneous, homonym, homeopath
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Prefix: hyper
Meaning: over, beyond
Examples: hyperactive, hyperventilate
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Prefix: hypo
Meaning: under
Examples: hypothermic, hypothesis, hypoglycemia
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Suffix: ian
Meaning: related to
Examples: librarian, historian, pedestrian
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Root: idio
Meaning: peculiar, distinct
Examples: idiotic, idiomatic
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Prefix: in/im
Meaning: not
Examples: incapable, incomplete, informal, imperfect
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Prefix: infra
Meaning: beneath
Examples: infrastructure, infrared
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Prefix: inter
Meaning: between
Examples: interview, international, interstate
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Prefix: ir
Meaning: not
Examples: irrational, irredeemable, irrelevant, irregular
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Prefix: iso
Meaning: equal
Examples: isobar, isometric
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Root: lab
Meaning: work
Examples: elaborate, laboratory, laborious, labor, collaborate
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Root: lat
Meaning: broad, wide
Examples: dilate, latitude
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Root: laud
Meaning: praise
Examples: laudably, applause, applaud
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Root: lex
Meaning: word, law
Examples: lexicology, dyslexic, alexia, lexicon
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Root: loq
Meaning: speech
Examples: loquacious, eloquent, colloquialism
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Root: luc
Meaning: light
Examples: elucidate, lucid, translucent
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Prefix: macro
Meaning: large, great
Examples: macroeconomics, macronutrients, macroevolution
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Root: mal
Meaning: bad, evil
Examples: malignant, maltreat, malfeasance, malicious
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Root: medi
Meaning: middle
Examples: mediocre, medium, medieval
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Root: melan
Meaning: black, dark
Examples: melancholy, melanoma, melodrama
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**Prefix: meta
**
Meaning: change, beyond, after
Examples: metaphysics, metamorphosis, metastasis
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Prefix: micro
Meaning: small
Examples: microscope, micronutrient
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Root: migr
Meaning: move
Examples: immigrant, emigrate, migrant, migration
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Prefix: min
Meaning: small
Examples: minimum, miniature, miniscule, minute
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Prefix: mis
Meaning: wrong, bad
Examples: mistake, misinterpret, misogynist
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Root: miss (mit)
Meaning: send, cast
Examples: remit, dismiss, missile, emit
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Prefix: mono
Meaning: one
Examples: monotheism, monodiglyceride
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Root: mort
Meaning: death
Examples: mortuary, immortal, mortify
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Root: nat
Meaning: born
Examples: innate, natural, natal
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Root: neg
Meaning: no
Examples: negate, negative, renege
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Prefix: neo
Meaning: new
Examples: neophyte, neonatal, neologistic, neocolonialism
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Root: nov
Meaning: new
Examples: novice, renovate, novelty
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Root: null
Meaning: none
Examples: nullify, nullification, nulliparity
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Prefix: ob (op)
Meaning: in the way, against
Examples: object, objection, opposition, obscure
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Prefix: omni
Meaning: all
Examples: omnipotent, omniscient, omnivorous
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Root: opt
Meaning: best
Examples: optimal, optimum, optimize
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Suffix: ous
Meaning: having
Examples: adventurous, hazardous, nauseous, joyous
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Root: oxy
Meaning: sharp
Examples: oxymoron, oxidize
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Root: paleo
Meaning: ancient
Examples: paleontologist, Paleolithic, paleography
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Root: pan
Meaning: all
Examples: pandemic, panorama, pantheon, panacea
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Prefix: para
Meaning: beside, related
Examples: parallel, parasite, paramedic
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Root: path
Meaning: feeling
Examples: antipathy, sympathetic, psychopath, apathy
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Root: pel (puls)
Meaning: drive, push
Examples: dispel, repulse, compel, compulsion
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Root: ped
Meaning: foot, kid
Examples: pedestrian, pedometer, pediatrician, pedophile
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Root: peri
Meaning: around
Examples: perimeter, peripheral
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Root: phil
Meaning: loving
Examples: philanthropic, philosophy, pedophile
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Root: phob
Meaning: fear
Examples: hydrophobia, phobia, claustrophobic
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Prefix: poly
Meaning: many
Examples: polytheistic, polyamorous, polygon
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Root: pos
Meaning: put, place
Examples: position, compose, deposit
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Prefix: post
Meaning: after
Examples: posterior, postpone, postmortem
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Prefix: pre
Meaning: before
Examples: prevent, predetermined, precaution, preview
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Root: pseudo
Meaning: not genuine
Examples: pseudonym, pseudoscience
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Root: pug
Meaning: to fight
Examples: pugnacious, repugnant, pugilant
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Root: pul
Meaning: urge
Examples: compulsion, impulsive, expulsion
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Root: purg
Meaning: clean
Examples: purge, purgatory, expurgate
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Prefix: re
Meaning: again
Examples: regenerate, reassess, reconfigure
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Root: reg
Meaning: guide, rules
Examples: regulate, regular, regent, regime
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Prefix: retro
Meaning: back, backward
Examples: retroactive, retrospect, retrograde
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Root: san
Meaning: health
Examples: sane, sanity, insane, sanitation
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Root: scend
Meaning: climb, go
Examples: ascend, crescendo, descent
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Root: sci
Meaning: to know
Examples: science, conscience, conscious, omniscient
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Root: scrib
Meaning: write
Examples: scribe, prescribe, inscribe, describe
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Prefix: se
Meaning: apart
Examples: secede, seclude, serum
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Root: sect
Meaning: cut
Examples: dissect, intersect, section
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Root: sed
Meaning: sit
Examples: sediment, sedentary
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Root: sol
Meaning: comfort
Examples: consolation, solace
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Root: soph
Meaning: wise
Examples: philosophy, sophisticated, sophism
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Prefix: sub
Meaning: below, under
Examples: submarine, subpar
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Prefix: super
Meaning: higher in quality or quantity
Examples: superior, supernatural, superfan, superb
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Root: syn (sym)
Meaning: with, together
Examples: synonym, sympathy
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Root: tact
Meaning: to touch
Examples: contact, tactile
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Root: tax
Meaning: arrangement
Examples: syntax, taxonomy, ataxia
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Root: tele
Meaning: far
Examples: television, telephone, telescope, telegraph
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Root: tort
Meaning: twist
Examples: contort, distort, retort
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Prefix: trans
Meaning: across, through
Examples: transform, transaction, translate, transport
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Prefix: un
Meaning: not
Examples: unfair, unable, unfriendly, uncontrollable
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Prefix: uni
Meaning: one
Examples: unicycle, united, unison
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Root: vac
Meaning: empty
Examples: vacuum, vacant, evacuate
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Root: viv/vit
Meaning: life
Examples: vitality, vivacious
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Root: vor (vour)
Meaning: eat
Examples: devour, voracious, carnivore, herbivore
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Root: Xen
Meaning: Foreign
Examples: xenocide, xenophobic, xenophile
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