infuse vs practice of medicine

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

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

infuse (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

infuse (verb)	practice of medicine (verb)
introduce into the body through a vein, for therapeutic purposes
let sit in a liquid to extract a flavor or to cleanse
fill, as with a certain quality
undergo the process of infusion
teach and impress by frequent repetitions or admonitions