ascension vs raising

ascension and raising both are nouns.

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

As nouns, raising is a hyponym of ascension; that is, raising is a word with a more specific, narrower meaning than ascension:

ascension (noun)	raising (noun)
the act of changing location in an upward direction	helping someone grow up to be an accepted member of the community
a movement upward; rise above the ground	the properties acquired as a consequence of the way you were treated as a child
(astronomy) the rising of a star above the horizon	the event of something being raised upward

ascension (adjective)	raising (adjective)
	increasing in quantity or value