blow vs discharge

blow and discharge both are nouns.

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

As verbs, discharge is a hypernym of blow; that is, discharge is a word with a broader meaning than blow:

Other hypernyms of blow include eject, exhaust, expel, release.

blow (noun)	discharge (noun)
a powerful stroke with the fist or a weapon	the act of discharging a gun
forceful exhalation through the nose or mouth	the termination of someone's employment (leaving them free to depart)
street names for cocaine	a formal written statement of relinquishment
an impact (as from a collision)	the act of venting
an unpleasant or disappointing surprise	the sudden giving off of energy
an unfortunate happening that hinders or impedes; something that is thwarting or frustrating	the pouring forth of a fluid
a strong current of air	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

blow (verb)	discharge (verb)
exhale hard	eliminate (a substance)
free of obstruction by blowing air through	become empty or void of its content
melt, break, or become otherwise unusable	pronounce not guilty of criminal charges
burst suddenly	release from military service
shape by blowing	cause to go off
show off	go off or discharge
cause to be revealed and jeopardized	pour forth or release
allow to regain its breath	remove the charge from
deposit eggs (of insects)	remove (cargo, people, etc.) from and leave
be in motion due to some air or water current	complete or carry out
cause to move by means of an air current	free from obligations or duties
leave; informal or rude
cause air to go in, on, or through
spout moist air from the blowhole
play or sound a wind instrument
make a sound as if blown
sound by having air expelled through a tube
provide sexual gratification through oral stimulation
spend lavishly or wastefully on
spend thoughtlessly; throw away
make a mess of, destroy or ruin
be inadequate or objectionable
be blowing or storming