cereal vs corn

cereal and corn both are nouns.

Word	Noun	Adjective	Verb	Adverb
cereal	Yes	Yes	No	No
corn	Yes	No	Yes	No

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

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

cereal: grass whose starchy grains are used as food: wheat, rice, rye, oats, maize, buckwheat, millet
corn: tall annual cereal grass bearing kernels on large ears: widely cultivated in America in many varieties; the principal cereal in Mexico and Central and South America since pre-Columbian times

cereal (noun)	corn (noun)
a breakfast food prepared from grain	something sentimental or trite
foodstuff prepared from the starchy grains of cereal grasses	ears of corn that can be prepared and served for human food
grass whose starchy grains are used as food: wheat, rice, rye, oats, maize, buckwheat, millet	whiskey distilled from a mash of not less than 80 percent corn
	tall annual cereal grass bearing kernels on large ears: widely cultivated in America in many varieties; the principal cereal in Mexico and Central and South America since pre-Columbian times
	(Great Britain) any of various cereal plants (especially the dominant crop of the region--wheat in Great Britain or oats in Scotland and Ireland)
	the dried grains or kernels or corn used as animal feed or ground for meal
	a hard thickening of the skin (especially on the top or sides of the toes) caused by the pressure of ill-fitting shoes

cereal (adjective)	corn (adjective)
made of grain or relating to grain or the plants that produce it

cereal (verb)	corn (verb)
	preserve with large-grained rock salt
	feed (cattle) with corn