backfire vs explosion

backfire and explosion both are nouns.

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

As nouns, explosion is a hypernym of backfire; that is, explosion 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
explosion: a violent release of energy caused by a chemical or nuclear reaction

Other hypernyms of backfire include blowup, detonation.

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

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

Other hypernyms of backfire include blowup, detonation.

backfire (noun)	explosion (noun)
a miscalculation that recoils on its maker	the act of exploding or bursting
a loud noise made by the explosion of fuel in the manifold or exhaust of an internal combustion engine	a golf shot from a bunker that typically moves sand as well as the golf ball
the backward escape of gases and unburned gunpowder after a gun is fired	the terminal forced release of pressure built up during the occlusive phase of a stop consonant
a fire that is set intentionally in order to slow an approaching forest fire or grassfire by clearing a burned area in its path	a sudden outburst
	a violent release of energy caused by a chemical or nuclear reaction
	a sudden great increase
	the noise caused by an explosion

backfire (verb)	explosion (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