OpenEtymology

WORD FAMILIES

One root. A family of words.

Connect words through shared components and learn them together.

2004 word families

thick9 related words

dense

extra-thick · thicken · thickened
thigh4 related words

body part

thigh-deep · thigh-high · thigh-length
thing3 related words

entity

anything · everything · thing
thorn3 related words

sharp point on a plant

thorn · thornless · thorny
thorough3 related words

complete

thorough · thoroughgoing · thoroughness
thought5 related words

thinking

aforethought · forethought · thought
threaten6 related words

to menace

threateningly · unthreatened · unthreatening
thrombo2 related words

clot

thrombocytopenia · thrombophlebitis
through6 related words

from one side to the other

cut-through · follow-through · see-through
throw4 related words

to propel

overthrow · throw · throw-away
thrust3 related words

to push

thrust · thruster · thrusting
thumb3 related words

body part

thumb · thumb-size · thumbnail
thyroid7 related words

thyroid gland

hyperthyroidism · hypothyroid · hypothyroidism
tide3 related words

sea level change

low-tide · riptide · tide
tile3 related words

flat slab

red-tile · tile · tiled
till4 related words

to plow

till · tillage · tilling
timber4 related words

wood

timber-frame · timbered · timberland
timid4 related words

fearful

intimidatingly · timid · timidity
tir3 related words

draw

retired · retiring · tirade
tissue3 related words

biological material

deep-tissue · tissue · tissue-specific
title9 related words

name

entitle · entitled · entitlement
together2 related words

into one gathering

altogether · togetherness
toil3 related words

work hard

toil · toiler · toiling
toler7 related words

endure

intolerable · intolerably · tolerable
toll2 related words

fee

tollbooth · tollway
tom13 related words

cut

anatomic · anatomical · anatomically
tomo2 related words

slice

tomographic · tomography
tomy12 related words

cutting

anatomy · craniotomy · dichotomy
ton13 related words

tone

atonal · diatonic · intonation
tone15 related words

sound

earth-tone · intone · monotone
tongue4 related words

body part

tongue · tongue-tied · tongued
tonsill4 related words

tonsil

peritonsillar · tonsillitis
too16 related words

excessively

all-too-brief · all-too-familiar · all-too-human
tool11 related words

implement

multi-tool · retool · retooled
tooth6 related words

body part

tooth · toothache · toothbrush
topic4 related words

subject

subtopic · topicality · topically
topo9 related words

place

topo · topographer · topographic
tort18 related words

twist

contort · contorted · contortion
tough6 related words

strong

tough · tough-as-nails · tough-guy
tour4 related words

journey

mini-tour · tour · touring
towel3 related words

absorbent cloth

dishtowel · towelette · toweling
town7 related words

settlement

boomtown · shantytown · ski-town
tox19 related words

poison

antitoxin · cytotoxic · detox
trace3 related words

follow

trace · traceable · untraceable
trache2 related words

windpipe

endotracheal · tracheal
tracheo2 related words

windpipe

tracheostomy · tracheotomy
track16 related words

path

backtrack · fast-track · off-track
tract49 related words

draw; pull

abstract · abstracted · abstraction
tradition6 related words

custom

tradition-bound · traditionalism · traditionalist
traffic3 related words

movement of vehicles

air-traffic · high-traffic · traffic
train4 related words

to instruct

train · trained · trainer
trash4 related words

rubbish

trash-strewn · trashed · trashy
travel8 related words

to journey

traveler · traveling · traveller
tre4 related words

three

trecento · trefoil
tree6 related words

plant

tree · tree-hugger · tree-planting
tres2 related words

across

trespass · trespassing
trib3 related words

tribe

tribal · tribune
tribut17 related words

assign

contributing · contribution · distribution
triev4 related words

find

retrievable · retrieval · retrieved
trip3 related words

journey

road-trip · round-trip · trip

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

Roots and word families · 英语词根词缀查询 | OpenEtymology