restaurant vs eating place

restaurant and eating place both are nouns.

Word	Noun	Adjective	Verb	Adverb
restaurant	Yes	No	No	No
eating place	Yes	No	No	No

As nouns, restaurant and eating place are synonyms defined as:

Other synonyms of restaurant include eatery, eating house.

restaurant (noun)	eating place (noun)
a building where people go to eat	a building where people go to eat