Check words you know to measure your vocabulary size (number of word families).
art
white
kick
nothing
county
disturb
counter
credit
tribe
airline
translate
crucial
orbit
relevance
hut
hurricane
convene
dilute
heterosexual
dreadful
cuff
lava
silhouette
polymer
antagonist
abate
fraternity
creole
predetermine
lotion
matron
trifle
superstitious
medley
embalm
pernicious
incandescent
crass
unanimity
progeny
tassel
quorum
genie
typeset
calico
impregnable
crowbar
viscount
attache
beeswax
eau
gypsum
whitefly
prefab
winsome
electrochemical
allusive
interstice
kaolin
millenarian
concordant
labile
cappella
ashram
theropod
hoplite
smarties
multifunctional
cuddy
thereunder
stoichiometry
wasabi
kraut
shylock
gelada
grazie
kris
hotchpotch
mim
riffraff
boucle
naloxone
probiotic
fiche
coving
faille
puttee
socioemotional
podzol
aby
kirlian
dacoit
sanatoria
basenji
missiology
cobber
brachiosaur
hobbledehoy
charybdis
morelle