order Carnivora vs Mustelidae

order Carnivora and Mustelidae both are nouns.

Word	Noun	Adjective	Verb	Adverb
order Carnivora	Yes	No	No	No
Mustelidae	Yes	No	No	No

order Carnivora (noun)	Mustelidae (noun)
cats, lions, tigers, panthers, dogs, wolves, jackals, bears, cats, lions, tigers, panthers, dogs, wolves, jackals, bears, raccoons (Carnivora)	weasels, polecats, ferrets, minks, fishers, otters, badgers, skunks, wolverines, martens