imp vs scallywag

imp and scallywag both are nouns.

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

As nouns, imp and scallywag are synonyms defined as:

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

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