Check words you know to measure your vocabulary size (number of word families).
tear
basic
north
heat
pool
adult
lightly
meat
province
proceed
discharge
regulate
nutrition
rap
bulk
gospel
accessory
membrane
erosion
wrestle
uranium
knob
cleave
rugged
socioeconomic
molest
exacted
inaugural
pep
disgruntled
linguist
veneer
hulk
highness
collagen
enigma
dill
carnation
bleep
plaintive
latrine
cranny
zigzag
jibe
snigger
bangle
divan
travail
sartorial
camellia
urology
gaffer
communitarian
teflon
quatrain
ciao
extraterritorial
fraternize
larkspur
homolog
nar
ful
multipolar
viridian
hydrogel
manova
gaga
zippy
orzo
compere
triforium
topsy
berberis
clunker
goldeneye
rumbustious
scramjet
scuzzy
phytoestrogen
quadrat
coster
trew
latitudinarian
scandium
lief
faille
ratbag
eosinophilia
oenophile
pericardium
pakora
nomogram
kiang
agger
clerihew
anodic
catboat
hypothesi
einsteinium
geegaw