administer vs practice of medicine

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

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

administer (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

administer (verb)	practice of medicine (verb)
give or apply (medications)
administer or bestow, as in small portions
perform (a church sacrament) ritually
work in an administrative capacity; supervise or be in charge of
direct the taking of