ascend vs ascendable

ascend is not an adjective while ascendable is an adjective.

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

ascend (adjective)	ascendable (adjective)
	capable of being ascended

ascend (verb)	ascendable (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