wet nurse vs nursemaid

wet nurse and nursemaid both are nouns.

Word	Noun	Adjective	Verb	Adverb
wet nurse	Yes	No	No	No
nursemaid	Yes	No	No	No

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

Other hypernyms of wet nurse include nanny, nurse.

wet nurse (noun)	nursemaid (noun)
a woman hired to suckle a child of someone else	a woman who is the custodian of children