snack vs graze

snack and graze both are nouns.

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

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

Other hyponyms of snack include browse.

snack (noun)	graze (noun)
a light informal meal	the act of grazing
	a superficial abrasion

snack (verb)	graze (verb)
eat a snack; eat lightly	eat lightly, try different dishes
	scrape gently
	feed as in a meadow or pasture
	break the skin (of a body part) by scraping
	let feed in a field or pasture or meadow