bestial vs brute

bestial is not a noun while brute is a noun.

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

As adjectives, bestial and brute are synonyms defined as:

bestial and brute: resembling a beast; showing lack of human sensibility

Other synonyms of bestial include beastly, brutal, brutish.

bestial (noun)	brute (noun)
	a living organism characterized by voluntary movement
	a cruelly rapacious person

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