ice wagon vs waggon

ice wagon and waggon both are nouns.

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

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

ice wagon: (formerly) a horse-drawn wagon that delivered ice door to door
waggon: any of various kinds of wheeled vehicles drawn by an animal or a tractor

Other hypernyms of ice wagon include wagon.

ice wagon (noun)	waggon (noun)
(formerly) a horse-drawn wagon that delivered ice door to door	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