rogue vs varlet

rogue and varlet both are nouns.

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

As nouns, rogue and varlet are synonyms defined as:

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

rogue (noun)	varlet (noun)
a deceitful and unreliable scoundrel	in medieval times a youth acting as a knight's attendant as the first stage in training for knighthood
	a deceitful and unreliable scoundrel