graze vs eat

graze is a noun but eat is not a noun.

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

As verbs, eat is a hypernym of graze; that is, eat is a word with a broader meaning than graze:

Other hypernyms of graze include feed.

graze (noun)	eat (noun)
the act of grazing
a superficial abrasion

graze (verb)	eat (verb)
eat lightly, try different dishes	cause to deteriorate due to the action of water, air, or an acid
scrape gently	take in solid food
feed as in a meadow or pasture	eat a meal; take a meal
break the skin (of a body part) by scraping	take in food; used of animals only
let feed in a field or pasture or meadow	use up (resources or materials)
	worry or cause anxiety in a persistent way