drop vs discharge

drop and discharge both are nouns.

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

As verbs, drop and discharge are synonyms defined as:

Other synonyms of drop include drop off, put down, set down, unload.

drop (noun)	discharge (noun)
the act of dropping something	the act of discharging a gun
a central depository where things can be left or picked up	the termination of someone's employment (leaving them free to depart)
a curtain that can be lowered and raised onto a stage from the flies; often used as background scenery	a formal written statement of relinquishment
a sudden sharp decrease in some quantity	the act of venting
a free and rapid descent by the force of gravity	the sudden giving off of energy
a predetermined hiding place for the deposit and distribution of illicit goods (such as drugs or stolen property)	the pouring forth of a fluid
a steep high face of rock	electrical conduction through a gas in an applied electric field
a small indefinite quantity (especially of a liquid)	any of several bodily processes by which substances go out of the body
a shape that is spherical and small	a substance that is emitted or released

drop (verb)	discharge (verb)
give birth; used for animals	eliminate (a substance)
grow progressively worse	become empty or void of its content
go down in value	pronounce not guilty of criminal charges
stop pursuing or acting	release from military service
change from one level to another	cause to go off
lower the pitch of (musical notes)	go off or discharge
fall or sink into a state of exhaustion or death	pour forth or release
leave undone or leave out	remove the charge from
omit (a letter or syllable) in speaking or writing	remove (cargo, people, etc.) from and leave
utter with seeming casualness	complete or carry out
lose (a game)	free from obligations or duties
take (a drug, especially LSD), by mouth
remove (cargo, people, etc.) from and leave
to remove
cause to fall by or as if by delivering a blow
let or cause to fall in drops
to fall vertically
let fall to the ground
fall or descend to a lower place or level
pay out
stop associating with
terminate an association with
hang loosely