child prodigy vs prodigy

child prodigy and prodigy both are nouns.

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

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

child prodigy: a prodigy whose talents are recognized at an early age
prodigy: an unusually gifted or intelligent (young) person; someone whose talents excite wonder and admiration

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

child prodigy (noun)	prodigy (noun)
a prodigy whose talents are recognized at an early age	an impressive or wonderful example of a particular quality
	a sign of something about to happen
	an unusually gifted or intelligent (young) person; someone whose talents excite wonder and admiration