nurse vs practice of medicine

nurse and practice of medicine both are nouns.

Word	Noun	Adjective	Verb	Adverb
nurse	Yes	No	Yes	No
practice of medicine	Yes	No	No	No

nurse (noun)	practice of medicine (noun)
one skilled in caring for young children or the sick (usually under the supervision of a physician)	the learned profession that is mastered by graduate training in a medical school and that is devoted to preventing or alleviating or curing diseases and injuries
a woman who is the custodian of children

nurse (verb)	practice of medicine (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