Check words you know to measure your vocabulary size (number of word families).
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rest
earth
hide
assure
strawberry
suffer
pleasure
solve
edition
fiction
utility
rigid
jewellery
leisure
spice
deviate
hemisphere
rectangle
pickup
subside
millionaire
fern
psychic
cam
misplace
devoid
simplistic
wrangle
meek
nay
libertarian
medley
fag
uptake
annul
gauntlet
epsilon
orb
dungeon
adhesion
vegan
spatula
pejorative
dysplasia
groupy
funerary
conflagration
otitis
teeny
mort
metronome
quadrangle
agglomerate
prosthetics
nether
prankster
nord
procurator
motet
pepperoni
guanine
causa
honcho
bandolier
cholinergic
superstate
mafioso
beaucoup
flambeau
rockery
hotfoot
hyperbaric
hogmanay
discompose
caboose
lenten
wat
similitude
pinon
envoi
nilgai
nunciature
milfoil
motivic
meerschaum
siphonophore
daguerrotype
hamza
aliment
pedology
whipper
bourdon
cichlasoma
sedilia
avion
corbeil
syke
streek
deshabille