astronomy vs ascend

astronomy is a noun but ascend is not a noun.

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

astronomy (noun)	ascend (noun)
the branch of physics that studies celestial bodies and the universe as a whole

astronomy (verb)	ascend (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