ascend vs accede

ascend and accede both are verbs.

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

As verbs, accede is a hypernym of ascend; that is, accede is a word with a broader meaning than ascend:

Other hypernyms of ascend include enter.

ascend (verb)	accede (verb)
slope upwards	yield to another's wish or opinion
travel up	to agree or express agreement
come up, of celestial bodies	take on duties or office
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