Check words you know to measure your vocabulary size (number of word families).
question
happen
white
poor
regard
separate
swear
wolf
achieve
subsidy
molecule
comedy
bold
forge
credible
kin
staircase
tread
wink
amnesty
indispensable
equitable
borough
hijack
furnace
disparate
antagonist
caricature
friar
quail
cabaret
dude
attrition
oxidant
cockroach
ovation
prosaic
pubic
panned
axial
harpsichord
mangrove
spectrometer
outlast
clemency
hyacinth
lire
forbear
transom
epinephrine
pediment
kinase
flaccid
refractive
undertow
phosphor
sherbet
blastocyst
couturier
toxoplasmosis
parapsychology
microgravity
opalescent
lama
sinter
privity
hydrotherapy
sinecure
purpura
laburnum
altiplano
pula
bolo
crossbill
physiography
cheval
acyl
gamine
uniaxial
trilingual
silverweed
rinderpest
socio
inhume
luvvie
schlemiel
pinochle
meticais
massy
monaural
superspeedway
piscina
azithromycin
farinaceous
cabala
wilco
estop
chinch
amaranthine
distich