muscle system vs gorge

muscle system and gorge both are nouns.

Word	Noun	Adjective	Verb	Adverb
muscle system	Yes	No	No	No
gorge	Yes	No	Yes	No

As nouns, gorge is a hyponym of muscle system; that is, gorge is a word with a more specific, narrower meaning than muscle system:

Other hyponyms of muscle system include diaphragm, midriff, esophagus, gullet, oesophagus.

muscle system (noun)	gorge (noun)
the muscular system of an organism	the passage between the pharynx and the stomach
	a deep ravine (usually with a river running through it)
	a narrow pass (especially one between mountains)

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