relieve vs practice of medicine

relieve is not a noun while practice of medicine is a noun.

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

relieve (noun)	practice of medicine (noun)
	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

relieve (verb)	practice of medicine (verb)
provide physical relief, as from pain
provide relief for
alleviate or remove (pressure or stress) or make less oppressive
relieve oneself of troubling information
grant exemption or release to
lessen the intensity of or calm
take by stealing
free from a burden, evil, or distress
save from ruin, destruction, or harm
free someone temporarily from his or her obligations
grant relief or an exemption from a rule or requirement to