canteen vs eating house

canteen and eating house both are nouns.

Word	Noun	Adjective	Verb	Adverb
canteen	Yes	No	No	No
eating house	Yes	No	No	No

As nouns, eating house is a hypernym of canteen; that is, eating house is a word with a broader meaning than canteen:

Other hypernyms of canteen include eatery, eating place, restaurant.

As nouns, eating house is a hypernym of canteen; that is, eating house is a word with a broader meaning than canteen:

Other hypernyms of canteen include eatery, eating place, restaurant.

canteen (noun)	eating house (noun)
a flask for carrying water; used by soldiers or travelers	a building where people go to eat
restaurant in a factory; where workers can eat
a recreation room in an institution
a restaurant outside; often for soldiers or policemen
sells food and personal items to personnel at an institution or school or camp etc.