flop vs descent

flop and descent both are nouns.

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

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

flop (noun)	descent (noun)
the act of throwing yourself down; collapse; sink	the act of changing your location in a downward direction
a complete failure	properties attributable to your ancestry
someone who is unsuccessful	a movement downward
an arithmetic operation performed on floating-point numbers	the hereditary derivation of an individual
	a downward slope or bend
	the kinship relation between an individual and the individual's progenitors

flop (adverb)	descent (adverb)
with a flopping sound
completely