waggon vs station waggon

waggon and station waggon both are nouns.

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

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

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

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

waggon (noun)	station waggon (noun)
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
a car that has a long body and rear door with space behind rear seat