Check words you know to measure your vocabulary size (number of word families).
rubbish
nobody
hunger
live
environment
locate
fault
version
fierce
prosecute
strict
duke
harmony
erupt
satisfactory
dignity
whisk
mosaic
cricket
reunion
pastor
snort
taboo
carol
bereave
hind
forage
ethic
beep
casket
prognosis
evasion
tortilla
awash
exterminate
ewe
compatriot
bulkhead
befit
swoon
adulation
phenotype
pontificate
bade
baleful
verdant
mufti
propitious
electrophoresis
bobble
valence
defray
carbine
yowl
intron
hoodlum
adsorb
filch
comparator
corpulent
vizier
septicaemia
centrepiece
rightwing
basilisk
momento
binaural
gherkin
hidalgo
hep
loca
collet
thermoluminescent
begone
bonito
complaisance
haole
estoppal
audiophile
azide
trifecta
arcuate
fissiparous
coeval
conformal
syrah
weigela
rogation
taconite
patrilateral
bronchiectasis
poplitus
volar
chott
mesial
diddley
milos
majuscule
deliquescent
mantic