sledge vs sleigh

sledge and sleigh both are nouns.

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

As nouns, sledge and sleigh are synonyms defined as:

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

Other synonyms of sledge include sled.

sledge (noun)	sleigh (noun)
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
a vehicle mounted on runners and pulled by horses or dogs; for transportation over snow

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