emission vs flow

emission and flow both are nouns.

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

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

Other hypernyms of emission include flowing.

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

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

emission (noun)	flow (noun)
the act of emitting; causing to flow forth	the act of flowing or streaming; continuous progression
the occurrence of a flow of water (as from a pipe)	the motion characteristic of fluids (liquids or gases)
the release of electrons from parent atoms	dominant course (suggestive of running water) of successive events or ideas
any of several bodily processes by which substances go out of the body	any uninterrupted stream or discharge
a substance that is emitted or released	the monthly discharge of blood from the uterus of nonpregnant women from puberty to menopause
	something that resembles a flowing stream in moving continuously
	the amount of fluid that flows in a given time

emission (verb)	flow (verb)
	undergo menstruation
	cover or swamp with water
	fall or flow in a certain way
	move along, of liquids
	move or progress freely as if in a stream
	cause to flow
	be abundantly present