beach wagon vs automobile

beach wagon and automobile both are nouns.

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

As nouns, automobile is a hypernym of beach wagon; that is, automobile 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
automobile: a motor vehicle with four wheels; usually propelled by an internal combustion engine

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

beach wagon (noun)	automobile (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

beach wagon (verb)	automobile (verb)
	travel in an automobile