nurse vs wean

nurse is a noun but wean is not a noun.

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

nurse (noun)	wean (noun)
one skilled in caring for young children or the sick (usually under the supervision of a physician)
a woman who is the custodian of children

nurse (verb)	wean (verb)
try to cure by special care of treatment, of an illness or injury	gradually deprive (infants and young mammals) of mother's milk
give suck to	detach the affections of
maintain (a theory, thoughts, or feelings)
serve as a nurse; care for sick or handicapped people
treat carefully