bone-covered vs brute

bone-covered is not a noun while brute is a noun.

Word	Noun	Adjective	Verb	Adverb
bone-covered	No	Yes	No	No
brute	Yes	Yes	No	No

bone-covered (noun)	brute (noun)
	a living organism characterized by voluntary movement
	a cruelly rapacious person

bone-covered (adjective)	brute (adjective)
(of animals) armored with bone	resembling a beast; showing lack of human sensibility