infant prodigy vs nestling

infant prodigy and nestling both are nouns.

Word	Noun	Adjective	Verb	Adverb
infant prodigy	Yes	No	No	No
nestling	Yes	No	No	No

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

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

infant prodigy (noun)	nestling (noun)
a prodigy whose talents are recognized at an early age	young bird not yet fledged
	a young person of either sex