flop vs descend

flop is a noun but descend is not a noun.

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

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

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

flop (noun)	descend (noun)
the act of throwing yourself down; collapse; sink
a complete failure
someone who is unsuccessful
an arithmetic operation performed on floating-point numbers

flop (verb)	descend (verb)
fall suddenly and abruptly	come as if by falling
fall loosely	move downward and lower, but not necessarily all the way
fail utterly; collapse	do something that one considers to be below one's dignity
	come from; be connected by a relationship of blood, for example

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