ascend vs ascension

ascend is not a noun while ascension is a noun.

Word	Noun	Adjective	Verb	Adverb
ascend	No	No	Yes	No
ascension	Yes	No	No	No

ascend (noun)	ascension (noun)
	the act of changing location in an upward direction
	a movement upward; rise above the ground
	(astronomy) the rising of a star above the horizon

ascend (verb)	ascension (verb)
slope upwards
travel up
come up, of celestial bodies
go along towards (a river's) source
move to a better position in life or to a better job
appear to be moving upward, as by means of tendrils
become king or queen
go back in order of genealogical succession