unregenerated vs impenitent

unregenerated and impenitent both are adjectives.

Word	Noun	Adjective	Verb	Adverb
unregenerated	No	Yes	No	No
impenitent	No	Yes	No	No

unregenerated (adjective)	impenitent (adjective)
not reformed morally or spiritually	not penitent or remorseful
	impervious to moral persuasion