brute vs unregistered

brute is a noun but unregistered is not a noun.

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

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

brute (adjective)	unregistered (adjective)
resembling a beast; showing lack of human sensibility	not registered
	(of animals) not recorded with or certified by an official breed association
	(a boat or vessel) not furnished with official documents