eat vs gorge

eat is not a noun while gorge is a noun.

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

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

eat (noun)	gorge (noun)
	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)

eat (verb)	gorge (verb)
cause to deteriorate due to the action of water, air, or an acid	overeat or eat immodestly; make a pig of oneself
take in solid food
eat a meal; take a meal
take in food; used of animals only
use up (resources or materials)
worry or cause anxiety in a persistent way