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306 terms

GRE Root Words

300 high frequency word roots
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A/AN
Without, absence of, not.
AB/ABS
From, away, off.
ACER/ACID/ACRI
Harsh, bitter, sour.
ACT/AG
Drive, do, lead, act, move.
ACU
Sharp (physically, cognitively, etc.)
AD: AC/AF/AG/AL/AN/AP/AR/AS/AT before consonants
To, toward
AEV/EV
Age, era
AGOG
Leader
AGR
Field
ALI
Another
ALIM
Support, nourish, cherish)
ALTER
Other
ALT
High, deep
AM
Love, liking
AMB/AMBUL
To go, to walk
AMBI
Around, on both sides
AMPH/AMPHI
Around, double, on both sides
ANIM
Life, breath, spirit
ANNU/ANNI/ENNI
Yearly
ANT/ANTE
Before
ANT/ANTI
Against, opposite
ANTHROP
Mankind, human being
ANTIQU
Old, ancient
APPELL
Name, call upon
APT/EPT
Skill, ability
AQU/AQUA
Water
ARCH
First, chief, rule, superior
ARM/ARMA
Weapons
ART
Art. haha
ASTR/ASTER
Star
AUD/AUDI/AUS
Bold, daring, listen, hear
AUG/AUX
Increase
AUTO
Self
BE
Thoroughly, over
BEN/BON
Well, good, favorable
BI
Two, twice, double
BIO
Life
BREV
Short
CAP/CAPT/CEPT/CIP
Hold, seize, take
CAP/CAPIT
Head
CARD/CORD
Heart
CARN
Flesh, body
CATA
Down, downward
CED/CEED/CESS
Yield, surrender, move, go
CELER
Swift
CENTR
Center
CENT
Hundred
CERN
Perceive
CERT
Certain
CHRON
Time, a long time
CID/CIS
Cut, kill
CIRCU/CIRCUM
Around
CIT/CITAT
To call, start
CIVI
Citizen
CLAM/CLAIM
Call out, shout
CLEMEN
Mild, kind, merciful
CLAUD/CLAUS/CLOS/CLUS/CLUD
Shut, close
CLAUD/CLAUS/CLOS/CLUD/CLUB
Shut, close
CLI/CLIN/CLIV
Leaning, inclined, sloped
CO/COL/COM/CON/COR
Together, with
COD
Book
COGNI/GNO
Learn, know
CONTRA/CONTRO
Against, opposite
CORP
Body
COSM
Universe
CRACY/CRAT
Government, rule, strength
CREA
Bring, forth, create
CRED
Believe, trust
CRE/CRESC/CRET/CRU
Rise, grow
CRIT
Separate, judge
COUR/CUR
Run, course
CUR/CURA
Care
CYCL/CYCLO
Circle, wheel, cycle
DE
From, down, away, against, thoroughly, intensive

(as prefix)
DEC/DECA
Ten
DEI/DIV
God
DEMI
Partly
DEM
Common, people
DERM
Skin
DI
Two, double
DIA
Across, through, between
DIC/DICT
Say, speak, pronounce
DIF/DIS
Apart, away, negative, not
DON
Give
DOC/DOCT
Teach, prove
DOG/DOX
Opinion, belief, praise
DOM/DOMIN
Master, lord
DORM
Sleep
DROM/DROME
Run, step, arena
DUC/DUCT
Lead, pull
DUPL
Double, two
DUR
Hard, lasting
DYN/DYNAM
Power, energy
DYS
Bad, impaired, abnormal
E/EX
Apart, above, away, beyond, from, out, intensive (prefix)
ECTO
Outside, external
EGO
I, self
ENDO
Within, inside
EPI
Upon, over, near
EQU
Equal
ERG
Work
ERR
Wander, mistake
ETH/ETHOS
Character
EU
Good, well
EXTRA/EXTRO
Besides, beyond, outside of, more
FAC/FIC/FEC
Do, make
FALL/FALS
Deceptive, false, erroneous
FED
League, pact
FER
Bear, carry
FID
Faith, trust
FIN
End
FLECT/FLEX
Bend
FLU/FLUCT/FLUX
Flow
FORT
Brave, strong, chance
FRAC/FRAG
Break
FRAT
Brother
FUNC
Perform, discharge
GAM
Marriage
GEN
Birth, class, descent, race, generate
GEO
Earth
GLOSS/GLOT
Language, tongue
GRAD/GRESS
Step
GRAPH/GRAM
Write, draw, record
GRAT
Pleasing
GRAV/GRIEV
Serious, heavy, hamful
GREG
Flock, herd, collection
GYN
Woman
HELIO
Sun
HEMO
Blood
HERB
Vegetation
HETERO
Different, mixed, unlike
HOMO
Same, alike
HOM/HOMO/HUMAN
Man, humanity
HYDR/HYDRA/HYDRO
Water
HYPER
Above, excessive, over
HYPO
Beneath, lower, under
IG/IL/IM/IN/IR
Not, without, causative (prefix)
IN
In, on, upon, not, intensive (prefix)
INTER
Among, between, within, mutual
INTRA/INTRO
Into, inward, within
JAC/JACT/JECT
Throw, fling
JUR/JUS/JUD
Swear, law, judge, just
LECT/LEG/LIG
Read, choose
LEG
Law
LEV
Light
LEX
Word
LIBER
Free
LIBRAR/LIBR
Book
LITER
Letter
LOC/LOG/LOQU
Word, speak, talk
LUC/LUM/LUS
Light
LUD
Play, game
MACRO
Large, long
MAGN
Great
MAL
Bad
MAN
Hand
MAND
Order
MANIA
Obsession
MAR/MARI
Sea
MATER/MATR
Mother
MEGA
Great, large
META
Change, at a latter time, beyond
METER/METR
Measure
MICRO
Small
MIN
Small
MIS
Hatred, bad, improper, wrong
MISS/MIT
Move, send
MOB/MOT/MOV
Move
MONO
One, single
MON/MONIT
Warn
MORI/MORT
Death
MORPH
Form, shape
MULTI
Many
MUT
Change
NAS/NAT
Birth, be from, spring forth
NAV
Ship
NEC/NIC/NOC/NOX
Kill, death, harm
NECRO
Dead, corpse
NEG
No
NEO
New, recent
NEUR
Nerve
NEUT/NEUTR
Not either
NOCT/NOX
Night
NOM/NOMEN/NYM
Name
NON
Not
NOV
New
NUM
Number
OB/OC/OF/OP
Against
OLIG
Few, little
OMNI
All, every
OPER
Work
OPTI/OPTO
Eye, vision
ORTHO
Straight, correct
OS/OSS/OST/OSTEO
Bone
PAL/PALEO
Ancient
PAC
Peace
PAN
All, every
PAR
Equal
PARA
Beyond, related, alongside
PAS/PATH
Feeling, disease, suffering
PATER/PATR
Father
PED
Child
PED/POD
Foot
PEL/PULS
Drive, urge
PER
Through, complete
PERI
Around, near
PET
Seek, request, assail
PHIL
Love, fondness, preference
PHOBOS
Fear
PHON
Sound, voice
PHOS/PHOT
Light
PHYS/PHYSIO
Nature
PICT
Paint
PLAC
Please
POLI
City, state, citizen
POLY
Many
PON/POS
Put, place
POPUL
The people
PORT
Carry, Gate
POST
After, behind
PRE
Before, earlier
PREHEND/PREHENS
Seize, grasp
PRIM
Before, first
PRO
In favor of
PROTO
First, earliest
PSEUDO
False
PSYCH
Mind
PUB
The public
PUNCT
Point, prick
PUT/PUTAT
Think, calculate
QUER/QUES/QUIR/QUIS
Ask, seek
RE
Back, again
RECT
Straight
RECT/REG/REGN
Rule, govern
RETRO
Backward
RID/RIS
Laugh
ROS/ROGAT
Ask
SANCR/SANCT
Sacred, holy
SCI
Know
SCOP
Examine, observe, watch
SCRIB/SCRIP
Write
SE
Away, apart
SEC/SECT/SEGM
Cut
SECU/SEQU
Follow
SEMI
Half, partly
SENS/SENT
Feel, be aware
SOL
Sun
SOLV/SOLU
Free, loosen, dissolve
SOMN
Sleep
SOPH
Wise, skillful, shrewd
SPEC/SPECT/SPIC
See, look at
SPIR
Breath, energy, animation
STAS/STAT
Stand, being in a place, position
STRICT/STRING
Tight, drawn together
STRUCT
Build
SUB/SUC/SUF/SUG/SUP/SUS
Below, under, less
SUPER/SUR
Over, above
SYL/SYM/SYN/SYS
Together, with
TACT/TANG
Touch
TELE
Distance, far
TEMPOR
Time
TEN/TAIN
Hold
TEND/TENS/TENT
Stretch, strive
TERM
End, limit
TERR
Land, the earth
TERTI
Third
THE/THEI/THEO
God
THERAP
Attend, treat
THERM/THERMO
Warm, hot
TOM/TOME/TOMY
Cut, section
TOP/TOPO
Place, region
TORS/TORT/TORQU
Twist, turn
TRACT
Drag, pull
TRAN/TRANS
Across, through
TREM/TREMU
Tremble, shake
TURB
Spinning, confusion, disturbance
TYP/TYPE
Type
ULTRA
Beyond, excessive, on the other side of
UN
Not, reverse, undo, remove, intensive prefix
UNI
One
URB
City
US/UT
Use, useful
VAC/VACA/VACU
Empty
VEH/VECT
Carry
VEN/VENT
Come
VER/VERAC/VERI
True
VERB
Word
VERS/VERT
Turn, change
VIA
Away, road
VICT/VINC/VANQ
Conquer
VID/VIS
See, look
VIR
Man
VIT
Life
VIV/VIVA
Alive, lively, animated
VOC/VOKE
Call
VOL/VOLI
Wish, choice
VOLV/VOLU
Roll, turn
VOR/VORAC
Devour, greedy
XEN/XENO
Stranger, foreigner
ZO/ZOO
Animal
-able, -ible
capable of, subject to, prone to, worthy of
-ac
relating to, person affected with...
-age
relationship, condition, action or result
-al
of, pertaining to
-an, -ian
belonging to, related to, characteristic
-ance, -ence
action or process,