unnatural vs aberrant

unnatural is not a noun while aberrant is a noun.

Word	Noun	Adjective	Verb	Adverb
unnatural	No	Yes	No	No
aberrant	Yes	Yes	No	No

unnatural (noun)	aberrant (noun)
	one whose behavior departs substantially from the norm of a group

unnatural (adjective)	aberrant (adjective)
not in accordance with or determined by nature; contrary to nature	markedly different from an accepted norm
not normal; not typical or usual or regular or conforming to a norm
speaking or behaving in an artificial way to make an impression