wonder child vs shaver

wonder child and shaver both are nouns.

Word	Noun	Adjective	Verb	Adverb
wonder child	Yes	No	No	No
shaver	Yes	No	No	No

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

Other hypernyms of wonder child include child, fry, kid, minor, nestling, nipper, small fry, tiddler, tike, tyke, youngster, prodigy.

wonder child (noun)	shaver (noun)
a prodigy whose talents are recognized at an early age	a razor powered by an electric motor
	a young person of either sex
	an adult male who shaves