illumine vs light up

illumine and light up both are verbs.

Word	Noun	Adjective	Verb	Adverb
illumine	No	No	Yes	No
light up	No	No	Yes	No

As verbs, illumine and light up are synonyms defined as:

Other synonyms of illumine include illume, illuminate, light.

illumine (verb)	light up (verb)
introduce light into	introduce light into
	begin to smoke
	become clear
	start to burn with a bright flame
	ignite