nurse vs wet-nurse

nurse and wet-nurse both are nouns.

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

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

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

As verbs, nurse and wet-nurse are synonyms defined as:

Other synonyms of nurse include breastfeed, give suck, lactate, suck, suckle.

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