sled vs mush

sled and mush both are nouns.

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

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

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

sled (noun)	mush (noun)
a vehicle mounted on runners and pulled by horses or dogs; for transportation over snow	a journey by dogsled
	writing or music that is excessively sweet and sentimental
	cornmeal boiled in water
	any soft or soggy mass

sled (verb)	mush (verb)
ride (on) a sled	travel with a dogsled
	drive (a team of dogs or a dogsled)