flow vs discharge

flow and discharge both are nouns.

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

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

As nouns, discharge is a hypernym of flow; that is, discharge is a word with a broader meaning than flow:

flow: the monthly discharge of blood from the uterus of nonpregnant women from puberty to menopause
discharge: any of several bodily processes by which substances go out of the body

Other hypernyms of flow include emission, expelling.

flow (noun)	discharge (noun)
the act of flowing or streaming; continuous progression	the act of discharging a gun
the motion characteristic of fluids (liquids or gases)	the termination of someone's employment (leaving them free to depart)
dominant course (suggestive of running water) of successive events or ideas	a formal written statement of relinquishment
any uninterrupted stream or discharge	the act of venting
the monthly discharge of blood from the uterus of nonpregnant women from puberty to menopause	the sudden giving off of energy
something that resembles a flowing stream in moving continuously	the pouring forth of a fluid
the amount of fluid that flows in a given time	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

flow (verb)	discharge (verb)
undergo menstruation	eliminate (a substance)
cover or swamp with water	become empty or void of its content
fall or flow in a certain way	pronounce not guilty of criminal charges
move along, of liquids	release from military service
move or progress freely as if in a stream	cause to go off
cause to flow	go off or discharge
be abundantly present	pour forth or release
	remove the charge from
	remove (cargo, people, etc.) from and leave
	complete or carry out
	free from obligations or duties