backfire vs blowup

backfire and blowup both are nouns.

Word	Noun	Adjective	Verb	Adverb
backfire	Yes	No	Yes	No
blowup	Yes	No	No	No

As nouns, blowup is a hypernym of backfire; that is, blowup is a word with a broader meaning than backfire:

backfire: a loud noise made by the explosion of fuel in the manifold or exhaust of an internal combustion engine
blowup: a violent release of energy caused by a chemical or nuclear reaction

Other hypernyms of backfire include detonation, explosion.

As nouns, blowup is a hypernym of backfire; that is, blowup is a word with a broader meaning than backfire:

backfire: the backward escape of gases and unburned gunpowder after a gun is fired
blowup: a violent release of energy caused by a chemical or nuclear reaction

Other hypernyms of backfire include detonation, explosion.

backfire (noun)	blowup (noun)
a miscalculation that recoils on its maker	a photographic print that has been enlarged
a loud noise made by the explosion of fuel in the manifold or exhaust of an internal combustion engine	an unrestrained expression of emotion
the backward escape of gases and unburned gunpowder after a gun is fired	a violent release of energy caused by a chemical or nuclear reaction
a fire that is set intentionally in order to slow an approaching forest fire or grassfire by clearing a burned area in its path

backfire (verb)	blowup (verb)
set a controlled fire to halt an advancing forest to prairie fire
emit a loud noise as a result of undergoing a backfire
come back to the originator of an action with an undesired effect