dry nurse vs nanny

dry nurse and nanny both are nouns.

Word	Noun	Adjective	Verb	Adverb
dry nurse	Yes	No	No	No
nanny	Yes	No	No	No

As nouns, nanny is a hypernym of dry nurse; that is, nanny is a word with a broader meaning than dry nurse:

Other hypernyms of dry nurse include nurse, nursemaid.

dry nurse (noun)	nanny (noun)
a nurse who cares for but does not suckle an infant	female goat
	a woman who is the custodian of children