holy terror vs scallywag

holy terror and scallywag both are nouns.

Word	Noun	Adjective	Verb	Adverb
holy terror	Yes	No	No	No
scallywag	Yes	No	No	No

As nouns, scallywag is a hypernym of holy terror; that is, scallywag is a word with a broader meaning than holy terror:

Other hypernyms of holy terror include imp, monkey, rapscallion, rascal, scalawag, scamp.

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