nurse vs adult female

nurse and adult female both are nouns.

Word	Noun	Adjective	Verb	Adverb
nurse	Yes	No	Yes	No
adult female	Yes	No	No	No

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

Other hypernyms of nurse include keeper, woman.

nurse (noun)	adult female (noun)
one skilled in caring for young children or the sick (usually under the supervision of a physician)	an adult female person (as opposed to a man)
a woman who is the custodian of children

nurse (verb)	adult female (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