dive vs descent

dive and descent both are nouns.

Word	Noun	Adjective	Verb	Adverb
dive	Yes	No	Yes	No
descent	Yes	No	No	No

As nouns, descent is a hypernym of dive; that is, descent is a word with a broader meaning than dive:

dive (noun)	descent (noun)
a steep nose-down descent by an aircraft	the act of changing your location in a downward direction
a headlong plunge into water	properties attributable to your ancestry
a cheap disreputable nightclub or dance hall	a movement downward
	the hereditary derivation of an individual
	a downward slope or bend
	the kinship relation between an individual and the individual's progenitors