deviant vs aberrant

deviant and aberrant both are nouns.

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

As adjectives, deviant and aberrant are synonyms defined as:

Other synonyms of deviant include deviate.

deviant (noun)	aberrant (noun)
a person whose behavior deviates from what is acceptable especially in sexual behavior	one whose behavior departs substantially from the norm of a group

deviant (adjective)	aberrant (adjective)
markedly different from an accepted norm	markedly different from an accepted norm