dismount vs descend

dismount is a noun but descend is not a noun.

Word	Noun	Adjective	Verb	Adverb
dismount	Yes	No	Yes	No
descend	No	No	Yes	No

As verbs, descend is a hypernym of dismount; that is, descend is a word with a broader meaning than dismount:

Other hypernyms of dismount include come down, fall, go down.

dismount (noun)	descend (noun)
the act of dismounting (a horse or bike etc.)

dismount (verb)	descend (verb)
alight from (a horse)	come as if by falling
	move downward and lower, but not necessarily all the way
	do something that one considers to be below one's dignity
	come from; be connected by a relationship of blood, for example