Check words you know to measure your vocabulary size (number of word families).
take
town
interest
view
cope
tent
convince
storm
cluster
capture
infect
deliberate
magnitude
abrupt
confidential
bastard
void
query
aggravate
glitter
slay
evict
sly
snag
infuriate
upstream
mural
lagoon
itinerary
butler
tundra
thermometer
homology
barometer
wherein
rendition
springer
insatiable
outpouring
embattled
panache
philology
mallet
gambit
tipsy
stupefy
papyrus
thymus
nightie
sublet
bleary
warding
crone
thereupon
commissar
prissy
turnabout
lumberjack
troika
tessera
corm
mawkish
diorama
poltergeist
lanyard
iambic
mewl
carpetbag
gazpacho
toke
argent
cerebella
macrame
trachoma
coquette
adit
optima
poleax
hornpipe
nanostructure
lanai
doublespeak
concertacion
aggiornamento
areola
tenebrous
apophatic
dorsum
aurum
creedal
tasse
mugwump
dinge
gerenuk
jeepney
demy
encephalogram
chiromancer
encephalograph
coquet