scallywag vs rascal

scallywag and rascal both are nouns.

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

As nouns, scallywag and rascal are synonyms defined as:

Other synonyms of scallywag include imp, monkey, rapscallion, scalawag, scamp.

As nouns, scallywag and rascal are synonyms defined as:

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

scallywag (noun)	rascal (noun)
one who is playfully mischievous	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)