detonation vs blowback

detonation and blowback both are nouns.

Word	Noun	Adjective	Verb	Adverb
detonation	Yes	No	No	No
blowback	Yes	No	No	No

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

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

Other hyponyms of detonation include airburst, blast, backfire, big bang, backfire, fragmentation, inflation.

detonation (noun)	blowback (noun)
the act of detonating an explosive	Blowback is a system of operation for self-loading firearms that obtains energy from the motion of the cartridge case as it is pushed to the rear by expanding gases created by the ignition of the propellant charge.
a violent release of energy caused by a chemical or nuclear reaction	misinformation resulting from the recirculation into the source country of disinformation previously planted abroad by that country's intelligence service
	the backward escape of gases and unburned gunpowder after a gun is fired