scallywag vs rogue

scallywag and rogue both are nouns.

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

As nouns, scallywag and rogue are synonyms defined as:

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

scallywag (noun)	rogue (noun)
one who is playfully mischievous	a deceitful and unreliable scoundrel
a deceitful and unreliable scoundrel
a white Southerner who supported Reconstruction policies after the American Civil War (usually for self-interest)