Carnivora vs animal order

Carnivora and animal order both are nouns.

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

As nouns, animal order is a hypernym of Carnivora; that is, animal order is a word with a broader meaning than Carnivora:

Carnivora: cats, lions, tigers, panthers, dogs, wolves, jackals, bears, cats, lions, tigers, panthers, dogs, wolves, jackals, bears, raccoons (Carnivora)
animal order: the order of animals

Carnivora (noun)	animal order (noun)
cats, lions, tigers, panthers, dogs, wolves, jackals, bears, cats, lions, tigers, panthers, dogs, wolves, jackals, bears, raccoons (Carnivora)	the order of animals