estate car vs beach waggon

estate car and beach waggon both are nouns.

Word	Noun	Adjective	Verb	Adverb
estate car	Yes	No	No	No
beach waggon	Yes	No	No	No

As nouns, estate car and beach waggon are synonyms defined as:

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

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

estate car (noun)	beach waggon (noun)
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