supreme vs ultimate

supreme is not a noun while ultimate is a noun.

Word	Noun	Adjective	Verb	Adverb
supreme	No	Yes	No	No
ultimate	Yes	Yes	No	No

supreme (noun)	ultimate (noun)
	the finest or most superior quality of its kind

supreme (adjective)	ultimate (adjective)
greatest in status or authority or power	furthest or highest in degree or order; utmost or extreme
greatest or maximal in degree; extreme	being the last or concluding element of a series
highest in excellence or achievement
final or last in your life or progress