Roots Dictionary
Every Greek and Latin root, prefix, and suffix in the dataset. Click any card for the full profile, example words, and the family of words it builds.
- graph(GRAF)
to write or draw
rootGreekCommunication- autograph
- photograph
- telegraph
- scrib(SKRIB)
to write
rootLatinCommunication- describe
- scribble
- manuscript
- dict(DIKT)
to say or speak
rootLatinCommunication- predict
- dictionary
- contradict
- voc(VOK)
voice or call
rootLatinCommunication- vocal
- vocabulary
- advocate
- log(LOG)
word or study
rootGreekCommunication- dialogue
- monologue
- biology
- phon(FOHN)
sound
rootGreekCommunication- telephone
- microphone
- phonics
- gram(GRAM)
letter or thing written
rootGreekCommunication- telegram
- diagram
- grammar
- lingu(LIN-gwuh)
tongue or language
rootLatinCommunication- language
- bilingual
- linguist
- nom(NOM)
name
rootLatinCommunication- nominate
- synonym
- antonym
- claim(KLAYM)
to shout or cry out
rootLatinCommunication- exclaim
- proclaim
- clamor
- port(PORT)
to carry
rootLatinMovement- transport
- import
- export
- ject(JEKT)
to throw
rootLatinMovement- eject
- inject
- reject
- mit(MIT)
to send
rootLatinMovement- submit
- transmit
- mission
- tract(TRAKT)
to pull or drag
rootLatinMovement- attract
- extract
- tractor
- ven(VEN)
to come
rootLatinMovement- convene
- prevent
- invent
- ced(SEED)
to go or yield
rootLatinMovement- precede
- recede
- secede
- fer(FER)
to carry or bear
rootLatinMovement- transfer
- refer
- prefer
- mot(MOT)
to move
rootLatinMovement- motion
- motor
- promote
- duct(DUKT)
to lead
rootLatinMovement- conduct
- introduce
- produce
- gress(GRES)
to step or go
rootLatinMovement- progress
- congress
- regress
- curs(KURS)
to run
rootLatinMovement- cursor
- excursion
- recur
- aud(AWD)
to hear
rootLatinSenses & perception- audience
- audible
- auditory
- vid(VID)
to see
rootLatinSenses & perception- video
- visible
- vision
- spec(SPEK)
to look or watch
rootLatinSenses & perception- inspect
- respect
- spectator
- scop(SKOHP)
to see or examine
rootGreekSenses & perception- telescope
- microscope
- periscope
- sens(SENS)
to feel or perceive
rootLatinSenses & perception- sensitive
- consent
- sentiment
- tact(TAKT)
to touch
rootLatinSenses & perception- contact
- tangible
- intact
- son(SON)
sound
rootLatinSenses & perception- sonic
- unison
- resonate
- chron(KRON)
time
rootGreekTime- chronological
- synchronize
- chronic
- ann(AN)
year
rootLatinTime- annual
- anniversary
- biennial
- tempor(TEM-por)
time
rootLatinTime- temporary
- contemporary
- tempo
- hist(HIST)
to learn by inquiry
rootGreekTime- history
- historian
- prehistoric
- nov(NOV)
new
rootLatinTime- novel
- innovate
- renovate
- prim(PRIM)
first
rootLatinTime- primary
- primitive
- prime
- ped(PED)
foot
rootLatinBody & life- pedal
- pedestrian
- biped
- pod(POD)
foot
rootGreekBody & life- tripod
- podiatrist
- podium
- manu(MAN-yoo)
hand
rootLatinBody & life- manual
- manuscript
- manufacture
- dent(DENT)
tooth
rootLatinBody & life- dentist
- dental
- indent
- derm(DERM)
skin
rootGreekBody & life- dermatologist
- epidermis
- hypodermic
- cardi(KAR-dee)
heart
rootGreekBody & life- cardiac
- cardiologist
- cardio
- bio(BY-oh)
life
rootGreekBody & life- biology
- biography
- antibiotic
- vit(VIT)
to live
rootLatinBody & life- vital
- vitamin
- survive
- corp(KORP)
body
rootLatinBody & life- corporation
- corpse
- corporal
- capit(KAP-it)
head
rootLatinBody & life- capital
- captain
- decapitate
- uni-(YOO-nih)
one
prefixLatinNumber & quantity- unicorn
- uniform
- unify
- bi-(BY)
two
prefixLatinNumber & quantity- bicycle
- bilingual
- biennial
- tri-(TRY)
three
prefixGreek & LatinNumber & quantity- triangle
- tricycle
- tripod
- quad-(KWOD)
four
prefixLatinNumber & quantity- quadrilateral
- quarter
- quadruple
- penta-(PEN-tuh)
five
prefixGreekNumber & quantity- pentagon
- pentathlon
- pentagram
- oct-(OKT)
eight
prefixGreek & LatinNumber & quantity- octopus
- octagon
- October
- dec-(DEK)
ten
prefixGreek & LatinNumber & quantity- decade
- decathlon
- decimal
- cent-(SENT)
hundred
prefixLatinNumber & quantity- century
- centimeter
- centennial
- mill-(MIL)
thousand
prefixLatinNumber & quantity- millimeter
- millennium
- million
- multi-(MUL-tee)
many
prefixLatinNumber & quantity- multiple
- multilingual
- multimedia
- semi-(SEM-ee)
half
prefixLatinNumber & quantity- semicircle
- semifinal
- semiannual
- mono-(MON-oh)
one
prefixGreekNumber & quantity- monologue
- monorail
- monotone
- poly-(POL-ee)
many
prefixGreekNumber & quantity- polygon
- polyglot
- polygraph
- omni-(OM-nih)
all
prefixLatinNumber & quantity- omnivore
- omnipresent
- omnipotent
- mega-(MEG-uh)
large or great
prefixGreekNumber & quantity- megaphone
- megabyte
- megalith
- micro-(MY-kro)
small
prefixGreekNumber & quantity- microscope
- microphone
- microwave
- sub-(SUB)
under or below
prefixLatinPlace & direction- submarine
- submerge
- subway
- super-(SOO-per)
above or beyond
prefixLatinPlace & direction- supervise
- supersonic
- superhuman
- trans-(TRANS)
across or through
prefixLatinPlace & direction- transport
- transparent
- translate
- inter-(IN-ter)
between
prefixLatinPlace & direction- internet
- international
- interrupt
- intra-(IN-truh)
within or inside
prefixLatinPlace & direction- introvert
- introduce
- intramural
- pre-(PREE)
before
prefixLatinPlace & direction- preview
- predict
- prehistoric
- post-(POHST)
after
prefixLatinPlace & direction- postscript
- postpone
- postwar
- circum-(SIR-kum)
around
prefixLatinPlace & direction- circumference
- circumnavigate
- circumstance
- ex-(EKS)
out or out of
prefixLatinPlace & direction- exit
- extract
- exclaim
- in-(IN)
in or into
prefixLatinPlace & direction- inject
- import
- include
- ad-(AD)
to or toward
prefixLatinPlace & direction- attract
- advance
- advocate
- de-(DEE)
down or away from
prefixLatinPlace & direction- descend
- deport
- describe
- con-(KON)
with or together
prefixLatinPlace & direction- connect
- convene
- cooperate
- per-(PUR)
through or thoroughly
prefixLatinPlace & direction- percent
- perspective
- perforate
- peri-(PER-ee)
around
prefixGreekPlace & direction- perimeter
- periscope
- period
- bene-(BEN-eh)
good or well
prefixLatinGood, bad, with, against- benefit
- benevolent
- beneficial
- mal-(MAL)
bad or wrong
prefixLatinGood, bad, with, against- malfunction
- malicious
- malnourished
- anti-(AN-tee)
against or opposite
prefixGreekGood, bad, with, against- antibiotic
- antonym
- antidote
- contra-(KON-truh)
against
prefixLatinGood, bad, with, against- contradict
- contrast
- contrary
- pro-(PRO)
forward or for
prefixLatinGood, bad, with, against- progress
- project
- prologue
- syn-(SIN)
with or together
prefixGreekGood, bad, with, against- synonym
- symphony
- synchronize
- dis-(DIS)
apart, away, or not
prefixLatinGood, bad, with, against- disagree
- disconnect
- discontinue
- non-(NON)
not
prefixLatinGood, bad, with, against- nonfiction
- nonsense
- nonstop
- a-(AY)
not or without
prefixGreekGood, bad, with, against- anonymous
- atypical
- apathy
- geo(JEE-oh)
earth
rootGreekEarth, water, sky- geography
- geology
- geometry
- terr(TER)
earth or land
rootLatinEarth, water, sky- territory
- terrain
- extraterrestrial
- aqua(AK-wuh)
water
rootLatinEarth, water, sky- aquarium
- aquatic
- aqueduct
- hydro(HY-droh)
water
rootGreekEarth, water, sky- hydrate
- dehydrate
- hydroelectric
- mar(MAR)
sea
rootLatinEarth, water, sky- marine
- submarine
- mariner
- naut(NAWT)
sailor or ship
rootGreekEarth, water, sky- astronaut
- nautical
- aeronautics
- astr(AS-tur)
star
rootGreekEarth, water, sky- astronaut
- astronomy
- asterisk
- sol(SOL)
sun
rootLatinEarth, water, sky- solar
- parasol
- solstice
- lun(LOON)
moon
rootLatinEarth, water, sky- lunar
- lunatic
- lunar eclipse
- therm(THURM)
heat
rootGreekEarth, water, sky- thermometer
- thermal
- thermostat
- struct(STRUKT)
to build
rootLatinBuild, break, make- construct
- destruction
- structure
- fract(FRAKT)
to break
rootLatinBuild, break, make- fracture
- fragment
- fraction
- rupt(RUPT)
to break or burst
rootLatinBuild, break, make- erupt
- interrupt
- rupture
- fac(FAK)
to make or do
rootLatinBuild, break, make- factory
- manufacture
- effect
- gen(JEN)
birth or origin
rootGreek & LatinBuild, break, make- generate
- genesis
- genetics
- form(FORM)
shape
rootLatinBuild, break, make- transform
- uniform
- reform
- vers(VURS)
to turn
rootLatinBuild, break, make- convert
- reverse
- introvert
- tens(TENS)
to stretch
rootLatinBuild, break, make- extend
- tension
- intense
- -tion(shun)
act, state, or result
suffixLatinBuild, break, make- action
- fraction
- construction
- -er(ur)
one who
suffixLatinBuild, break, make- teacher
- writer
- builder
- -or(ur)
one who
suffixLatinBuild, break, make- actor
- tractor
- spectator
- -ist(ist)
one who practices or believes
suffixGreekBuild, break, make- scientist
- linguist
- dentist
- -ology(OL-uh-jee)
the study of
suffixGreekCommunication- biology
- geology
- psychology
- -graphy(GRAH-fee)
writing about
suffixGreekCommunication- geography
- biography
- photography
- -ize(ize)
to make or cause to be
suffixGreekBuild, break, make- memorize
- organize
- synchronize
- -phobia(FOH-bee-uh)
fear of
suffixGreekSenses & perception- claustrophobia
- arachnophobia
- hydrophobia
- auto-(AW-toh)
self
prefixGreekGood, bad, with, against- automobile
- autograph
- automatic
- tele-(TEL-uh)
far or distant
prefixGreekPlace & direction- telephone
- telescope
- television
- photo-(FOH-toh)
light
prefixGreekEarth, water, sky- photograph
- photosynthesis
- phosphorus
- re-(REE)
again or back
prefixLatinPlace & direction- replay
- return
- rebel
- un-(UN)
not or opposite of
prefixLatinGood, bad, with, against- unhappy
- undo
- unfair