young carnivore vs cub

young carnivore and cub both are nouns.

Word	Noun	Adjective	Verb	Adverb
young carnivore	Yes	No	No	No
cub	Yes	No	Yes	No

As nouns, young carnivore and cub are synonyms defined as:

young carnivore and cub: the young of certain carnivorous mammals such as the bear or wolf or lion

young carnivore (noun)	cub (noun)
the young of certain carnivorous mammals such as the bear or wolf or lion	the young of certain carnivorous mammals such as the bear or wolf or lion
	a male child (a familiar term of address to a boy)
	an awkward and inexperienced youth

young carnivore (verb)	cub (verb)
	give birth to cubs