scallywag vs child

scallywag and child both are nouns.

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

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

Other hypernyms of scallywag include fry, kid, minor, nestling, nipper, shaver, small fry, tiddler, tike, tyke, youngster.

scallywag (noun)	child (noun)
one who is playfully mischievous	a young person of either sex
a deceitful and unreliable scoundrel	a human offspring (son or daughter) of any age
a white Southerner who supported Reconstruction policies after the American Civil War (usually for self-interest)	an immature childish person
	a member of a clan or tribe