station wagon vs waggon

station wagon and waggon both are nouns.

Word	Noun	Adjective	Verb	Adverb
station wagon	Yes	No	No	No
waggon	Yes	No	No	No

As nouns, station wagon and waggon are synonyms defined as:

station wagon and waggon: a car that has a long body and rear door with space behind rear seat

Other synonyms of station wagon include beach waggon, beach wagon, estate car, station waggon, wagon.

station wagon (noun)	waggon (noun)
a car that has a long body and rear door with space behind rear seat	any of various kinds of wheeled vehicles drawn by an animal or a tractor
	a car that has a long body and rear door with space behind rear seat