grill vs eatery

grill and eatery both are nouns.

Word	Noun	Adjective	Verb	Adverb
grill	Yes	No	Yes	No
eatery	Yes	No	No	No

As nouns, eatery is a hypernym of grill; that is, eatery is a word with a broader meaning than grill:

Other hypernyms of grill include eating house, eating place, restaurant.

grill (noun)	eatery (noun)
a framework of metal bars used as a partition or a grate	a building where people go to eat
a restaurant where food is cooked on a grill

grill (verb)	eatery (verb)
cook over or under a grill
examine thoroughly