illegalise vs criminalise

illegalise and criminalise both are verbs.

Word	Noun	Adjective	Verb	Adverb
illegalise	No	No	Yes	No
criminalise	No	No	Yes	No

As verbs, illegalise and criminalise are synonyms defined as:

Other synonyms of illegalise include criminalize, illegalize, outlaw.

illegalise (verb)	criminalise (verb)
declare illegal; outlaw	declare illegal; outlaw