ultimate vs crowning

ultimate is a noun but crowning is not a noun.

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

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

ultimate (adjective)	crowning (adjective)
furthest or highest in degree or order; utmost or extreme	forming or providing a crown or summit
being the last or concluding element of a series	representing a level of the highest possible achievement or attainment