accede vs ascend

accede and ascend both are verbs.

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

As verbs, ascend is a hyponym of accede; that is, ascend is a word with a more specific, narrower meaning than accede:

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