scalawag vs youngster

scalawag and youngster both are nouns.

Word	Noun	Adjective	Verb	Adverb
scalawag	Yes	No	No	No
youngster	Yes	No	No	No

As nouns, youngster is a hypernym of scalawag; that is, youngster is a word with a broader meaning than scalawag:

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

scalawag (noun)	youngster (noun)
one who is playfully mischievous	a young person of either sex
a deceitful and unreliable scoundrel
a white Southerner who supported Reconstruction policies after the American Civil War (usually for self-interest)