discharge vs volley

discharge and volley both are nouns.

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

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

Other hyponyms of discharge include eject, force out, squeeze out, squirt, disperse, dot, dust, scatter, sprinkle, play.

discharge (noun)	volley (noun)
the act of discharging a gun	rapid simultaneous discharge of firearms
the termination of someone's employment (leaving them free to depart)	a tennis return made by hitting the ball before it bounces
a formal written statement of relinquishment
the act of venting
the sudden giving off of energy
the pouring forth of a fluid
electrical conduction through a gas in an applied electric field
any of several bodily processes by which substances go out of the body
a substance that is emitted or released

discharge (verb)	volley (verb)
eliminate (a substance)	utter rapidly
become empty or void of its content	make a volley
pronounce not guilty of criminal charges	discharge in, or as if in, a volley
release from military service	hit before it touches the ground
cause to go off	be dispersed in a volley
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