practice of law vs deny

practice of law is a noun but deny is not a noun.

Word	Noun	Adjective	Verb	Adverb
practice of law	Yes	No	No	No
deny	No	No	Yes	No

practice of law (noun)	deny (noun)
the learned profession that is mastered by graduate study in a law school and that is responsible for the judicial system

practice of law (verb)	deny (verb)
	declare untrue; contradict
	refuse to accept or believe
	refuse to recognize or acknowledge
	deny formally (an allegation of fact by the opposing party) in a legal suit
	refuse to let have
	refuse to grant, as of a petition or request
	deny oneself (something); restrain, especially from indulging in some pleasure