dogsled vs sledge

dogsled and sledge both are nouns.

Word	Noun	Adjective	Verb	Adverb
dogsled	Yes	No	Yes	No
sledge	Yes	No	Yes	No

As nouns, sledge is a hypernym of dogsled; that is, sledge is a word with a broader meaning than dogsled:

dogsled: a sled pulled by dogs
sledge: a vehicle mounted on runners and pulled by horses or dogs; for transportation over snow

Other hypernyms of dogsled include sled, sleigh.

dogsled (noun)	sledge (noun)
a sled pulled by dogs	a heavy long-handled hammer used to drive stakes or wedges
	a vehicle mounted on runners and pulled by horses or dogs; for transportation over snow

dogsled (verb)	sledge (verb)
travel with a dogsled	beat with a sledgehammer
	transport in a sleigh
	ride in or travel with a sledge