reprobate vs deviate

reprobate and deviate both are nouns.

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

As nouns, deviate is a hyponym of reprobate; that is, deviate is a word with a more specific, narrower meaning than reprobate:

reprobate: a person without moral scruples
deviate: a person whose behavior deviates from what is acceptable especially in sexual behavior

Other hyponyms of reprobate include degenerate, deviant, perv, perve, pervert, black sheep, scapegrace, wretch.

reprobate (noun)	deviate (noun)
a person without moral scruples	a person whose behavior deviates from what is acceptable especially in sexual behavior

reprobate (adjective)	deviate (adjective)
deviating from what is considered moral or right or proper or good	markedly different from an accepted norm

reprobate (verb)	deviate (verb)
reject (documents) as invalid	turn aside; turn away from
express strong disapproval of	cause to turn away from a previous or expected course
abandon to eternal damnation	be at variance with; be out of line with