OpenEtymology

WORD FAMILIES

One root. A family of words.

Connect words through shared components and learn them together.

115 word families · F

fabul2 related words

story

fabulist · fabulously
fac128 related words

make; do

affect · affected · affecting
factor9 related words

element

five-factor · four-factor · multifactor
fail4 related words

to be unsuccessful

fail · failed · unfailing
faint5 related words

weak

fainthearted · faintly · faintness
faith7 related words

trust

faith · faithful · faithfully
fals5 related words

false

falsification · falsified · falsify
false4 related words

incorrect

false · false-color · false-negative
familiar7 related words

well-known

defamiliarization · familiar-looking · now-familiar
famous4 related words

well-known

famous · not-so-famous · now-famous
farct2 related words

to stuff

infarct · infarction
farm5 related words

cultivated land

farm · farmhand · farmhouse
fascist3 related words

fascist

fascistic · neo-fascist
fashion4 related words

prevailing style

fashion · fashion-conscious · unfashionable
fast22 related words

quick

fast-action · fast-changing · fast-forward
fatal3 related words

fate

fatal · fatalism · fatalist
fatu4 related words

foolish

infatuate · infatuated · infatuation
favor4 related words

approval

disfavor · favor · out-of-favor
favorite2 related words

preferred

least-favorite · second-favorite
fear6 related words

fear

fearful · fearfully · fearfulness
feather7 related words

feather

feather-light · feathering · featherless
feder14 related words

league

confederacy · confederal · confederated
feeble3 related words

weak

enfeeble · feeble · feebleness
feed4 related words

to give food

breastfeed · feed · feeder
fell3 related words

to cut down

feller · felling
female3 related words

woman

all-female · female · female-friendly
fence4 related words

barrier

fence · fenced · fenceline
fer52 related words

carry; bear

afferent · aquifer · circumference
fermi2 related words

name

fermion · fermionic
feroc2 related words

fierce

ferocious · ferocity
ferr7 related words

iron

ferritin · ferrous · ferrule
ferv4 related words

to boil

effervesce · fervent · fervently
fetch2 related words

get

prefetch · prefetching
fiber4 related words

thread

carbon-fiber · fiber · fiber-optic
fibr6 related words

fiber

fibril · fibrin · fibroid
fici2 related words

face

superficiality · superficially
fict2 related words

fashion

fictitious · fictive
fiction4 related words

invented narrative

fiction · fictional · fictionalization
fid16 related words

trust

confidant · confidence · confident
fierce2 related words

wild

fiercely · fierceness
fight7 related words

combat

fight · fight-or-flight · firefight
filament3 related words

thread

filamentary · filamentous
fin32 related words

end; boundary

affinal · affine · affinity
finger5 related words

body part

finger · finger-like · fingernail
finish3 related words

to complete

finish · prefinished · unfinished
firm13 related words

strong

affirm · extra-firm · firmament
fisc6 related words

treasury

confiscate · confiscated · confiscation
fish44 related words

aquatic animal

billfish · damselfish · fish-oil
fiss3 related words

split

fissile · fission · fissure
fist4 related words

hand

fist · fisted · fistfight
fix11 related words

to fasten

affixation · fixate · fixation
fixed3 related words

adjective

fixed-income · fixed-price · fixed-rate
flagr3 related words

burn

conflagration · flagrant
flamm3 related words

flame

inflammable · inflammation · inflammatory
flank2 related words

side

flanking · outflank
flavor4 related words

taste

flavor · flavorful · flavoring
flaw3 related words

defect

flawed · flawless · flawlessly
flect13 related words

bend

deflector · genuflect · genuflection
flex19 related words

bend

circumflex · dorsiflexion · flexibility
flig2 related words

strike down

profligacy · profligate

Families include roots and modern derivations. These learning connections do not imply that every member has exactly the same historical origin.