avalanche vs descend

avalanche is a noun but descend is not a noun.

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

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

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

avalanche (noun)	descend (noun)
a slide of large masses of snow and ice and mud down a mountain
a sudden appearance of an overwhelming number of things

avalanche (verb)	descend (verb)
gather into a huge mass and roll down a mountain, of snow	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