deviate vs abnormal

deviate is a noun but abnormal is not a noun.

Word	Noun	Adjective	Verb	Adverb
deviate	Yes	Yes	Yes	No
abnormal	No	Yes	No	No

deviate (noun)	abnormal (noun)
a person whose behavior deviates from what is acceptable especially in sexual behavior

deviate (adjective)	abnormal (adjective)
markedly different from an accepted norm	not normal; not typical or usual or regular or conforming to a norm
	departing from the normal in e.g. intelligence and development
	much greater than the normal

deviate (verb)	abnormal (verb)
turn aside; turn away from
cause to turn away from a previous or expected course
be at variance with; be out of line with