caprine animal vs nanny

caprine animal and nanny both are nouns.

Word	Noun	Adjective	Verb	Adverb
caprine animal	Yes	No	No	No
nanny	Yes	No	No	No

As nouns, nanny is a hyponym of caprine animal; that is, nanny is a word with a more specific, narrower meaning than caprine animal:

caprine animal: any of numerous agile ruminants related to sheep but having a beard and straight horns
nanny: female goat

Other hyponyms of caprine animal include kid, billy, billy goat, he-goat, nanny-goat, she-goat, Capra hircus, domestic goat, wild goat.

caprine animal (noun)	nanny (noun)
any of numerous agile ruminants related to sheep but having a beard and straight horns	female goat
	a woman who is the custodian of children