mammy vs nurse

mammy and nurse both are nouns.

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

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

Other hypernyms of mammy include nanny, nursemaid.

mammy (noun)	nurse (noun)
informal terms for a mother	one skilled in caring for young children or the sick (usually under the supervision of a physician)
an offensive term for a Black nursemaid in the southern U.S.	a woman who is the custodian of children

mammy (verb)	nurse (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