beach wagon vs auto

beach wagon and auto both are nouns.

Word	Noun	Adjective	Verb	Adverb
beach wagon	Yes	No	No	No
auto	Yes	No	No	No

As nouns, auto is a hypernym of beach wagon; that is, auto is a word with a broader meaning than beach wagon:

beach wagon: a car that has a long body and rear door with space behind rear seat
auto: a motor vehicle with four wheels; usually propelled by an internal combustion engine

Other hypernyms of beach wagon include automobile, car, machine, motorcar.

beach wagon (noun)	auto (noun)
a car that has a long body and rear door with space behind rear seat	a motor vehicle with four wheels; usually propelled by an internal combustion engine