flow vs course

flow and course both are nouns.

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

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

flow: dominant course (suggestive of running water) of successive events or ideas
course: a connected series of events or actions or developments

Other hypernyms of flow include line.

As verbs, flow and course are synonyms defined as:

Other synonyms of flow include feed, run.

flow (noun)	course (noun)
the act of flowing or streaming; continuous progression	a mode of action
the motion characteristic of fluids (liquids or gases)	education imparted in a series of lessons or meetings
dominant course (suggestive of running water) of successive events or ideas	facility consisting of a circumscribed area of land or water laid out for a sport
any uninterrupted stream or discharge	(construction) a layer of masonry
the monthly discharge of blood from the uterus of nonpregnant women from puberty to menopause	part of a meal served at one time
something that resembles a flowing stream in moving continuously	a connected series of events or actions or developments
the amount of fluid that flows in a given time	a body of students who are taught together
	general line of orientation
	a line or route along which something travels or moves

flow (verb)	course (verb)
undergo menstruation	hunt with hounds
cover or swamp with water	move along, of liquids
fall or flow in a certain way	move swiftly through or over
move along, of liquids
move or progress freely as if in a stream
cause to flow
be abundantly present

flow (adverb)	course (adverb)
	as might be expected