sled vs toboggan

sled and toboggan both are nouns.

Word	Noun	Adjective	Verb	Adverb
sled	Yes	No	Yes	No
toboggan	Yes	No	Yes	No

As nouns, toboggan is a hyponym of sled; that is, toboggan is a word with a more specific, narrower meaning than sled:

sled: a vehicle mounted on runners and pulled by horses or dogs; for transportation over snow
toboggan: a long narrow sled without runners; boards curve upward in front

Other hyponyms of sled include bob, bobsled, bobsleigh, bobsled, bobsleigh, dog sled, dog sleigh, dogsled, luge, pung.

As verbs, toboggan is a hyponym of sled; that is, toboggan is a word with a more specific, narrower meaning than sled:

Other hyponyms of sled include dogsled, mush, bob, bobsled, luge.

sled (noun)	toboggan (noun)
a vehicle mounted on runners and pulled by horses or dogs; for transportation over snow	a long narrow sled without runners; boards curve upward in front

sled (verb)	toboggan (verb)
ride (on) a sled	move along on a luge or toboggan