flow vs outpouring

flow and outpouring both are nouns.

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

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

Other hyponyms of flow include release, spill, spillage, flood, overflow.

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

flow (noun)	outpouring (noun)
the act of flowing or streaming; continuous progression	a large flow
the motion characteristic of fluids (liquids or gases)	the rapid and continuous delivery of linguistic communication (spoken or written)
dominant course (suggestive of running water) of successive events or ideas	the pouring forth of a fluid
any uninterrupted stream or discharge	a sudden rapid flow (as of water)
the monthly discharge of blood from the uterus of nonpregnant women from puberty to menopause	a natural flow of ground water
something that resembles a flowing stream in moving continuously
the amount of fluid that flows in a given time

flow (verb)	outpouring (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