flume vs gorge

flume and gorge both are nouns.

Word	Noun	Adjective	Verb	Adverb
flume	Yes	No	No	No
gorge	Yes	No	Yes	No

As nouns, gorge is a hypernym of flume; that is, gorge is a word with a broader meaning than flume:

flume (noun)	gorge (noun)
watercourse that consists of an open artificial chute filled with water for power or for carrying logs	the passage between the pharynx and the stomach
a narrow gorge with a stream running through it	a deep ravine (usually with a river running through it)
	a narrow pass (especially one between mountains)

flume (verb)	gorge (verb)
	overeat or eat immodestly; make a pig of oneself