flop vs bomb

flop and bomb both are nouns.

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

As nouns, bomb is a hyponym of flop; that is, bomb is a word with a more specific, narrower meaning than flop:

Other hyponyms of flop include dud, turkey.

flop (noun)	bomb (noun)
the act of throwing yourself down; collapse; sink	an explosive device fused to explode under specific conditions
a complete failure	strong sealed vessel for measuring heat of combustion
someone who is unsuccessful	an event that fails badly or is totally ineffectual
an arithmetic operation performed on floating-point numbers

flop (verb)	bomb (verb)
fall suddenly and abruptly	throw bombs at or attack with bombs
fall loosely	fail to get a passing grade
fail utterly; collapse

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