Check words you know to measure your vocabulary size (number of word families).
consider
climb
shall
smell
potato
wrap
aid
equipment
prohibit
intellectual
sigh
addict
abundant
warrior
intelligent
hollow
ulcer
dismay
renown
marshal
resilience
walnut
cuisine
bustle
shortfall
ruffle
paramilitary
raspberry
epitomise
demoralise
ply
sabine
constipate
sardine
mystique
amorphous
anemone
psychedelic
frenetic
integer
cha
tribulation
neonatal
trove
wend
tardy
conflagration
skulk
solstice
recidivist
recessive
visage
halcyon
aggrandize
hypochondriac
astral
weberian
potentate
remiss
nary
limn
salubrious
oxidase
orthopedic
egomania
pensione
podiatry
saith
sideman
trigeminal
helipad
cantina
explant
rugosa
instar
giga
triploid
sociobiological
glycemic
dactyl
chokecherry
abaft
effluence
emissivity
organon
centavo
dure
minatory
avulsion
hematoxylin
geta
auxin
kirn
agro
eya
transvaluation
graeco
brewis
variceal
phototropism