cat vs family Felidae

cat and family Felidae both are nouns.

Word	Noun	Adjective	Verb	Adverb
cat	Yes	No	Yes	No
family Felidae	Yes	No	No	No

cat (noun)	family Felidae (noun)
feline mammal usually having thick soft fur and no ability to roar: domestic cats; wildcats	cats, wildcats, lions, leopards, cheetahs, saber-toothed tigers
any of several large cats typically able to roar and living in the wild
a whip with nine knotted cords
a large tracked vehicle that is propelled by two endless metal belts; frequently used for moving earth in construction and farm work
the leaves of the shrub Catha edulis which are chewed like tobacco or used to make tea; has the effect of a euphoric stimulant
a spiteful woman gossip
an informal term for a youth or man

cat (verb)	family Felidae (verb)
eject the contents of the stomach through the mouth
beat with a cat-o'-nine-tails