flow vs overrun

flow and overrun both are nouns.

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

flow (noun)	overrun (noun)
the act of flowing or streaming; continuous progression	too much production or more than expected
the motion characteristic of fluids (liquids or gases)
dominant course (suggestive of running water) of successive events or ideas
any uninterrupted stream or discharge
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

flow (verb)	overrun (verb)
undergo menstruation	run beyond or past
cover or swamp with water	seize the position of and defeat
fall or flow in a certain way	flow or run over (a limit or brim)
move along, of liquids	invade in great numbers
move or progress freely as if in a stream	occupy in large numbers or live on a host
cause to flow
be abundantly present