Check words you know to measure your vocabulary size (number of word families).
come
always
learn
seven
brain
unite
bike
bunch
imply
alongside
custom
insert
infrastructure
chancellor
affiliate
patriot
mall
litigate
underestimate
trickle
solicit
disillusion
mule
vaccinate
bile
flurry
relent
feud
biochemical
migraine
hotline
leopard
hyperactive
broach
disfigure
meningitis
introvert
patter
enormity
nappy
delectable
demur
stratum
peal
depredation
campesino
locket
clitoris
pituitary
fondant
bonny
stockade
phosphorylation
blinder
livre
sylvan
djinn
carbonaceous
freehand
valkyrie
retinol
bazooka
sextant
rien
chinchilla
antsy
photoelectric
microprobe
calendrical
hawser
metaphysician
tetras
propranolol
immunocompetent
dysplastic
juju
hottie
cours
oast
yonks
trecento
coeval
galumph
cardiograph
vermeil
bandicoot
inamorata
ballcock
pudge
octal
kirlian
derringer
arsenite
microfabrication
yardland
gunsel
eyry
cladistics
lipotropin