set aside vs practice of law

set aside is not a noun while practice of law is a noun.

Word	Noun	Adjective	Verb	Adverb
set aside	No	No	Yes	No
practice of law	Yes	No	No	No

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

set aside (verb)	practice of law (verb)
make inoperative or stop
give or assign a resource to a particular person or cause
annul (a legal decision)