flood vs flow

flood and flow both are nouns.

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

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

Other hypernyms of flood include stream.

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

Other hyponyms of flood include deluge, inundate, submerge, drench, swamp.

flood (noun)	flow (noun)
the act of flooding; filling to overflowing	the act of flowing or streaming; continuous progression
a large flow	the motion characteristic of fluids (liquids or gases)
light that is a source of artificial illumination having a broad beam; used in photography	dominant course (suggestive of running water) of successive events or ideas
the occurrence of incoming water (between a low tide and the following high tide)	any uninterrupted stream or discharge
the rising of a body of water and its overflowing onto normally dry land	the monthly discharge of blood from the uterus of nonpregnant women from puberty to menopause
an overwhelming number or amount	something that resembles a flowing stream in moving continuously
	the amount of fluid that flows in a given time

flood (verb)	flow (verb)
cover with liquid, usually water	undergo menstruation
become filled to overflowing	cover or swamp with water
fill quickly beyond capacity; as with a liquid	fall or flow in a certain way
supply with an excess of	move along, of liquids
	move or progress freely as if in a stream
	cause to flow
	be abundantly present