nanny-goat vs nanny

nanny-goat and nanny both are nouns.

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

As nouns, nanny-goat and nanny are synonyms defined as:

Other synonyms of nanny-goat include she-goat.

nanny-goat (noun)	nanny (noun)
female goat	female goat
	a woman who is the custodian of children