omnivore vs brute

omnivore and brute both are nouns.

Word	Noun	Adjective	Verb	Adverb
omnivore	Yes	No	No	No
brute	Yes	Yes	No	No

As nouns, brute is a hypernym of omnivore; that is, brute is a word with a broader meaning than omnivore:

Other hypernyms of omnivore include animal, animate being, beast, creature, fauna.

omnivore (noun)	brute (noun)
an animal that feeds on both animal and vegetable substances	a living organism characterized by voluntary movement
a person who eats all kinds of foods	a cruelly rapacious person

omnivore (adjective)	brute (adjective)
	resembling a beast; showing lack of human sensibility