nurse vs wetnurse

nurse and wetnurse both are nouns.

Word	Noun	Adjective	Verb	Adverb
nurse	Yes	No	Yes	No
wetnurse	Yes	No	No	No

As nouns, wetnurse is a hyponym of nurse; that is, wetnurse is a word with a more specific, narrower meaning than nurse:

Other hyponyms of nurse include dry nurse, mammy, amah, wet-nurse, wet nurse.

nurse (noun)	wetnurse (noun)
one skilled in caring for young children or the sick (usually under the supervision of a physician)	a woman hired to suckle a child of someone else
a woman who is the custodian of children

nurse (verb)	wetnurse (verb)
try to cure by special care of treatment, of an illness or injury
give suck to
maintain (a theory, thoughts, or feelings)
serve as a nurse; care for sick or handicapped people
treat carefully