depraved vs reprobate

depraved is not a noun while reprobate is a noun.

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

As adjectives, depraved and reprobate are synonyms defined as:

depraved and reprobate: deviating from what is considered moral or right or proper or good

Other synonyms of depraved include perverse, perverted.

depraved (noun)	reprobate (noun)
	a person without moral scruples

depraved (adjective)	reprobate (adjective)
deviating from what is considered moral or right or proper or good	deviating from what is considered moral or right or proper or good

depraved (verb)	reprobate (verb)
	reject (documents) as invalid
	express strong disapproval of
	abandon to eternal damnation