hot cereal vs mush

hot cereal and mush both are nouns.

Word	Noun	Adjective	Verb	Adverb
hot cereal	Yes	No	No	No
mush	Yes	No	Yes	No

As nouns, mush is a hyponym of hot cereal; that is, mush is a word with a more specific, narrower meaning than hot cereal:

Other hyponyms of hot cereal include cornmeal mush, grits, hominy grits, kasha, frumenty.

hot cereal (noun)	mush (noun)
a cereal that is served hot	a journey by dogsled
	writing or music that is excessively sweet and sentimental
	cornmeal boiled in water
	any soft or soggy mass

hot cereal (verb)	mush (verb)
	travel with a dogsled
	drive (a team of dogs or a dogsled)