graze vs abrasion

graze and abrasion both are nouns.

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

As nouns, abrasion is a hypernym of graze; that is, abrasion is a word with a broader meaning than graze:

Other hypernyms of graze include excoriation, scrape, scratch.

graze (noun)	abrasion (noun)
the act of grazing	the wearing down of rock particles by friction due to water or wind or ice
a superficial abrasion	erosion by friction
	an abraded area where the skin is torn or worn off

graze (verb)	abrasion (verb)
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