rogue vs knave

rogue and knave both are nouns.

Word	Noun	Adjective	Verb	Adverb
rogue	Yes	No	No	No
knave	Yes	No	No	No

As nouns, rogue and knave are synonyms defined as:

Other synonyms of rogue include rapscallion, rascal, scalawag, scallywag, varlet.

rogue (noun)	knave (noun)
a deceitful and unreliable scoundrel	one of four face cards in a deck bearing a picture of a young prince
	a deceitful and unreliable scoundrel