flow vs motion

flow and motion both are nouns.

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

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

Other hypernyms of flow include move, movement.

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

flow (noun)	motion (noun)
the act of flowing or streaming; continuous progression	a change of position that does not entail a change of location
the motion characteristic of fluids (liquids or gases)	the act of changing location from one place to another
dominant course (suggestive of running water) of successive events or ideas	the use of movements (especially of the hands) to communicate familiar or prearranged signals
any uninterrupted stream or discharge	a formal proposal for action made to a deliberative assembly for discussion and vote
the monthly discharge of blood from the uterus of nonpregnant women from puberty to menopause	a natural event that involves a change in the position or location of something
something that resembles a flowing stream in moving continuously	an optical illusion of motion produced by viewing a rapid succession of still pictures of a moving object
the amount of fluid that flows in a given time	a state of change

flow (verb)	motion (verb)
undergo menstruation	show, express or direct through movement
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