augury vs prodigy

augury and prodigy both are nouns.

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

As nouns, prodigy is a hyponym of augury; that is, prodigy is a word with a more specific, narrower meaning than augury:

Other hyponyms of augury include war cloud, omen, portent, presage, prognostic, prognostication.

augury (noun)	prodigy (noun)
an event that is experienced as indicating important things to come	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