flow vs brim over

flow is a noun but brim over is not a noun.

Word	Noun	Adjective	Verb	Adverb
flow	Yes	No	Yes	No
brim over	No	No	Yes	No

flow (noun)	brim over (noun)
the act of flowing or streaming; continuous progression
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)	brim over (verb)
undergo menstruation	flow or run over (a limit or brim)
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