practice of medicine vs inoculate

practice of medicine is a noun but inoculate is not a noun.

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

practice of medicine (noun)	inoculate (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

practice of medicine (verb)	inoculate (verb)
	perform vaccinations or produce immunity in by inoculation
	insert a bud for propagation
	impregnate with the virus or germ of a disease in order to render immune
	introduce a microorganism into
	introduce an idea or attitude into the mind of