illumine vs spotlight

illumine is not a noun while spotlight is a noun.

Word	Noun	Adjective	Verb	Adverb
illumine	No	No	Yes	No
spotlight	Yes	No	Yes	No

As verbs, spotlight is a hyponym of illumine; that is, spotlight is a word with a more specific, narrower meaning than illumine:

Other hyponyms of illumine include floodlight.

illumine (noun)	spotlight (noun)
	a lamp that produces a strong beam of light to illuminate a restricted area; used to focus attention of a stage performer
	a focus of public attention

illumine (verb)	spotlight (verb)
introduce light into	illuminate with a spotlight, as in the theater
	move into the foreground to make more visible or prominent