chuck wagon vs waggon

chuck wagon and waggon both are nouns.

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

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

chuck wagon: a wagon equipped with a cookstove and provisions (for cowboys)
waggon: any of various kinds of wheeled vehicles drawn by an animal or a tractor

Other hypernyms of chuck wagon include wagon.

chuck wagon (noun)	waggon (noun)
a wagon equipped with a cookstove and provisions (for cowboys)	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