inject vs medicine

inject is not a noun while medicine is a noun.

Word	Noun	Adjective	Verb	Adverb
inject	No	No	Yes	No
medicine	Yes	No	Yes	No

inject (noun)	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
	punishment for one's actions
	(medicine) something that treats or prevents or alleviates the symptoms of disease
	the branches of medical science that deal with nonsurgical techniques

inject (verb)	medicine (verb)
give an injection to	treat medicinally, treat with medicine
to introduce (a new aspect or element)
to insert between other elements
feed intravenously
take by injection
force or drive (a fluid or gas) into by piercing