nurse vs woman

nurse and woman both are nouns.

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

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

Other hypernyms of nurse include keeper, adult female.

nurse (noun)	woman (noun)
one skilled in caring for young children or the sick (usually under the supervision of a physician)	women as a class
a woman who is the custodian of children	an adult female person (as opposed to a man)
	a female person who plays a significant role (wife or mistress or girlfriend) in the life of a particular man

nurse (verb)	woman (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