Check words you know to measure your vocabulary size (number of word families).
rate
ear
aware
clean
file
frame
hobby
enemy
tremendous
pave
prominent
journalist
hierarchy
romance
spike
knot
coral
volatile
stud
gymnasium
firework
banish
lottery
premiere
pomp
muddle
ploy
almighty
bolshevik
intractable
paged
froth
affix
odyssey
primordial
abrasive
barbarism
listless
spectroscopy
triplet
femur
bi
geopolitics
grossed
paprika
undersea
matte
gargantuan
gaffer
hegelian
wank
bangers
telemetry
gadfly
prig
photometer
corpuscle
epigenetic
skylark
unicameral
brassica
eiderdown
butterfat
ironmonger
histoire
teleport
commutate
mafioso
carita
hijab
casanova
spearmint
scintilla
mesolithic
guttersnipe
tachyon
outturn
hotchpotch
empanada
tete
arras
nunciature
effluence
etiolate
stane
isopach
chocolatier
saturnalia
inscape
coper
licht
guayabera
diapason
obol
quartern
aswarm
canthus
acrophobia
mythomania
einsteinium