illegalize vs outlaw

illegalize is not a noun while outlaw is a noun.

Word	Noun	Adjective	Verb	Adverb
illegalize	No	No	Yes	No
outlaw	Yes	Yes	Yes	No

As verbs, illegalize and outlaw are synonyms defined as:

Other synonyms of illegalize include criminalise, criminalize, illegalise.

illegalize (noun)	outlaw (noun)
	someone who has committed a crime or has been legally convicted of a crime

illegalize (adjective)	outlaw (adjective)
	contrary to or forbidden by law
	disobedient to or defiant of law

illegalize (verb)	outlaw (verb)
declare illegal; outlaw	declare illegal; outlaw