OpenEtymologyWORD FAMILIES
One root. A family of words.
Connect words through shared components and learn them together.
2004 word families
oner4 related words
burden
exonerate · exonerated · exoneration
ont2 related words
being
ontic · ontology
onym10 related words
name
anonymity · anonymous · antonym
opening3 related words
act of making open
opening · opening-game · opening-night
oper17 related words
work
inoperable · interoperable · opera
opposite3 related words
contrary
opposite · opposite-field · opposite-gender
opt10 related words
choose
adopt · adopting · adoption
optim12 related words
best
optimal · optimally · optimism
option3 related words
choice
local-option · option · optionally
orbit3 related words
path
exorbitant · orbit · orbital
order13 related words
arrangement
disorder · first-order · higher-order
ordin19 related words
order
coordinate · coordination · coordinator
orex2 related words
appetite
anorexia · anorexic
organo2 related words
organic
organochlorine · organophosphate
origin11 related words
source
aboriginal · original · originality
orium6 related words
place for
auditorium · natatorium · sensorium
ornitho2 related words
bird
ornithological · ornithologist
ortho10 related words
correct
orthodontia · orthodontic · orthodontics
orthodox3 related words
correct belief
orthodox · ultra-orthodox · ultraorthodox
oscill4 related words
to swing
oscillate · oscillation · oscillator
oss2 related words
bone
ossicle · ossify
ostent2 related words
show
ostentation · ostentatious
other4 related words
different
other · otherness · others
oto8 related words
ear
otolaryngologic · otolaryngologist · otolaryngology
ovi2 related words
egg
oviparous · ovipositor
ovul2 related words
egg
ovulate · ovulation
own4 related words
to possess
own · owned · owner
oxid9 related words
acid
oxidant · oxidation · oxidative
oxide3 related words
compound of oxygen
oxide · peroxide · superoxide
oxygen3 related words
chemical element
oxygen · oxygen-poor · oxygen-rich
pac7 related words
peace
pacific · pacification · pacifist
pace3 related words
speed
apace · outpace · pace
package3 related words
to put into a container
package · repackage · repackaged
paed5 related words
child
orthopaedic · paediatric · paediatrician
page13 related words
sheet
double-page · eight-page · five-page
pain5 related words
suffering
pain · painful · painfully
pains2 related words
suffering
painstaking · painstakingly
paleo4 related words
ancient
paleo-indian · paleoanthropologist · paleolithic
palm4 related words
hand
palm · palm-size · palmful
pancreat2 related words
pancreas
pancreatic · pancreatitis
pants3 related words
trousers
fancy-pants · underpants
paper21 related words
material
brown-paper · newspaper · paper-like
parent6 related words
mother or father
one-parent · parent · parental
parliament2 related words
assembly
parliamentarian · parliamentary
part26 related words
portion
apart · counterpart · eight-part
parti10 related words
part
participant · participate · participating
partial3 related words
part
partial · partial-birth · partially
particular3 related words
specific
particular · particularism · particularistic
parts2 related words
components
auto-parts · spare-parts
party11 related words
political group
intraparty · multi-party · non-party
passenger7 related words
traveler
five-passenger · four-passenger · passenger-car
passion6 related words
strong feeling
dispassionate · dispassionately · passionate
patch5 related words
piece
patched · patchiness · patchwork
pater4 related words
father
paterfamilias · paternal · paternity
paternal3 related words
fatherly
paternalism · paternalistic · paternally
path31 related words
feeling; disease
allopathic · antipathetic · apathetic
patho17 related words
disease
histopathologic · histopathology · pathogen
patr4 related words
father
patrician · patristic · patron
patri17 related words
father
compatriot · expatriation · patriarch
patriot3 related words
lover of one's country
patriotically · patriotism
Families include roots and modern derivations. These learning connections do not imply that every member has exactly the same historical origin.