discharge vs explosion

discharge and explosion both are nouns.

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

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

discharge: the sudden giving off of energy
explosion: a violent release of energy caused by a chemical or nuclear reaction

Other hyponyms of discharge include electrical discharge, blowup, detonation, eruption, volcanic eruption.

discharge (noun)	explosion (noun)
the act of discharging a gun	the act of exploding or bursting
the termination of someone's employment (leaving them free to depart)	a golf shot from a bunker that typically moves sand as well as the golf ball
a formal written statement of relinquishment	the terminal forced release of pressure built up during the occlusive phase of a stop consonant
the act of venting	a sudden outburst
the sudden giving off of energy	a violent release of energy caused by a chemical or nuclear reaction
the pouring forth of a fluid	a sudden great increase
electrical conduction through a gas in an applied electric field	the noise caused by an explosion
any of several bodily processes by which substances go out of the body
a substance that is emitted or released

discharge (verb)	explosion (verb)
eliminate (a substance)
become empty or void of its content
pronounce not guilty of criminal charges
release from military service
cause to go off
go off or discharge
pour forth or release
remove the charge from
remove (cargo, people, etc.) from and leave
complete or carry out
free from obligations or duties