Check words you know to measure your vocabulary size (number of word families).
realise
cross
five
sight
microwave
ease
insist
frost
disabled
accountable
combat
bacterium
cinema
stance
momentum
buzz
tolerant
sermon
wail
wary
underway
punk
refund
locus
guru
conciliate
redesign
upholster
migraine
conducive
itinerary
exalt
captor
snuggle
exorcise
obtrusive
despicable
wacky
fahrenheit
voracious
oceanography
acuity
causeway
rascal
sou
chrysalis
typhoid
albatross
spittle
bougainvillea
bashful
disinformation
lactic
wattle
iodide
corsair
minotaur
whelk
deuce
paella
brassica
monopole
hustings
backgammon
silicosis
polymath
snoopy
bowhead
gyp
cirrus
stentorian
venial
oblate
discompose
lepidoptera
picador
educe
leptin
conger
subaerial
heliocentric
shieling
stonefly
cumbrous
kopje
shutterbug
technophile
goanna
supersexy
planform
switcheroo
maloti
pontifex
pandy
parerga
conseil
hamadryad
ramson
mool
benzocaine