OpenEtymology

WORD FAMILIES

One root. A family of words.

Connect words through shared components and learn them together.

115 word families · F

flight4 related words

act of flying

flight · flightless · no-flight
flint2 related words

hard stone

flintlock · flinty
float4 related words

to rest on liquid

float · floating · floatplane
flood4 related words

overflow

flood · floodlight · floodwater
flor7 related words

flower

flora · floral · floret
flower21 related words

blossom

cauliflower · cornflower · flower-like
flu23 related words

flow

affluence · affluent · confluence
fluid3 related words

flowing

fluid · fluidity · fluidly
flush2 related words

to flow suddenly

flushed · flushing
foam2 related words

froth

foaming · foamy
focus4 related words

central point

defocus · defocused · focus
folk10 related words

people

folk-art · folk-music · folkloric
fond3 related words

affectionate

fondling · fondly · fondness
food19 related words

nourishment

dog-food · dogfood · food-safety
force21 related words

strength

air-force · brute-force · enforce
foreign5 related words

outside

foreign · foreign-born · foreign-language
forest5 related words

large wooded area

deforest · deforestation · deforested
fork3 related words

implement

fork · fork-tender · forkful
form81 related words

shape; form

coliform · conform · conformal
forth4 related words

forward

forth · forthright · forthrightly
fortuit2 related words

chance

fortuitous · fortuitously
fossil3 related words

dug up

fossil-fuel · fossilization · fossilize
foul4 related words

dirty

befoul · foul · foul-up
fox3 related words

animal

fox · foxtail · foxy
fract19 related words

break

diffract · diffracted · diffraction
frame11 related words

structure

frameless · framesheet · mainframe
franchise5 related words

right

disenfranchise · disenfranchised · disenfranchisement
franco3 related words

french

franco-american · franco-german · francophone
frank2 related words

free

frankly · frankness
frat2 related words

fraternity

frat-boy · frat-house
fratern4 related words

brother

confraternity · fraternal · fraternization
fratri2 related words

brother

fratricidal · fratricide
fraud5 related words

deceit

defraud · defrauded · fraudulent
freeze3 related words

to become solid from cold

freeze · freeze-thaw · unfreeze
freezing2 related words

turning to ice

below-freezing · near-freezing
freight2 related words

cargo

freighted · freighter
frequency4 related words

rate of occurrence

frequency-dependent · frequency-specific · high-frequency
frequent3 related words

occurring often

frequent · frequently · infrequently
fresh21 related words

new

fresh-air · fresh-baked · fresh-caught
friction2 related words

resistance

frictionless · low-friction
friend4 related words

companion

friend · friendless · friendship
fright4 related words

fear

frighten · frightened · frightening
froth3 related words

foam

frothing · frothy
fruct2 related words

fruit

fructify · fructose
fuel15 related words

combustible material

flex-fuel · fossil-fuel · fuel-cell
fuge2 related words

to flee

centrifuge · refuge
fulg2 related words

shine

effulgence · refulgent
fum7 related words

smoke

fumarole · fumigant · fumigate
fun4 related words

enjoyment

fun-house · fun-loving
function17 related words

work

dysfunction · dysfunctional · dysfunctionality
furbish3 related words

to polish

refurbished · refurbishing · refurbishment
furc3 related words

fork

bifurcate · bifurcated · bifurcation
furnish3 related words

to provide

furnish · furnished · furnishings
fus11 related words

pour

diffused · fused · fusing
futur3 related words

future

futurist · futurity

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