discharge vs pass

discharge and pass both are nouns.

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

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

discharge (noun)	pass (noun)
the act of discharging a gun	(sports) the act of throwing the ball to another member of your team
the termination of someone's employment (leaving them free to depart)	a usually brief attempt
a formal written statement of relinquishment	(American football) a play that involves one player throwing the ball to a teammate
the act of venting	(baseball) an advance to first base by a batter who receives four balls
the sudden giving off of energy	success in satisfying a test or requirement
the pouring forth of a fluid	a flight or run by an aircraft over a target
electrical conduction through a gas in an applied electric field	a permit to enter or leave a military installation
any of several bodily processes by which substances go out of the body	any authorization to pass or go somewhere
a substance that is emitted or released	an automatic advance to the next round in a tournament without playing an opponent
	a document indicating permission to do something without restrictions
	a complimentary ticket
	a difficult juncture
	one complete cycle of operations (as by a computer)
	the location in a range of mountains of a geological formation that is lower than the surrounding peaks
	a bad or difficult situation or state of affairs
	(military) a written leave of absence

discharge (adjective)	pass (adjective)
	of advancing the ball by throwing it

discharge (verb)	pass (verb)
eliminate (a substance)	eliminate from the body
become empty or void of its content	come to pass
pronounce not guilty of criminal charges	disappear gradually
release from military service	pass from physical life and lose all bodily attributes and functions necessary to sustain life
cause to go off	grant authorization or clearance for
go off or discharge	transmit information
pour forth or release	pass over, across, or through
remove the charge from	go across or through
remove (cargo, people, etc.) from and leave	travel past
complete or carry out	pass into a specified state or condition; sink into
free from obligations or duties	for time to move forward
	cause to pass
	move past
	place into the hands or custody of
	throw (a ball) to another player
	transfer to another; of rights or property
	be inherited by
	make laws, bills, etc. or bring into effect by legislation
	go unchallenged; be approved
	accept or judge as acceptable
	go successfully through a test or a selection process
	allow to go without comment or censure
	use up a period of time in a specific way
	be superior or better than some standard
	stretch out over a distance, space, time, or scope; run or extend between two points or beyond a certain point