discharge vs dust

discharge and dust both are nouns.

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

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

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

discharge (noun)	dust (noun)
the act of discharging a gun	fine powdery material such as dry earth or pollen that can be blown about in the air
the termination of someone's employment (leaving them free to depart)	the remains of something that has been destroyed or broken up
a formal written statement of relinquishment	free microscopic particles of solid material
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)	dust (verb)
eliminate (a substance)	remove the dust from
become empty or void of its content	distribute loosely
pronounce not guilty of criminal charges	rub the dust over a surface so as to blur the outlines of a shape
release from military service	cover with a light dusting of a substance
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