nanny-goat vs caprine animal

nanny-goat and caprine animal both are nouns.

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

As nouns, caprine animal is a hypernym of nanny-goat; that is, caprine animal is a word with a broader meaning than nanny-goat:

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

Other hypernyms of nanny-goat include goat.

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