cereal vs wild rice

cereal and wild rice both are nouns.

Word	Noun	Adjective	Verb	Adverb
cereal	Yes	Yes	No	No
wild rice	Yes	No	No	No

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

As nouns, wild rice is a hyponym of cereal; that is, wild rice 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
wild rice: perennial aquatic grass of North America bearing grain used for food

cereal (noun)	wild rice (noun)
a breakfast food prepared from grain	grains of aquatic grass of North America
foodstuff prepared from the starchy grains of cereal grasses	perennial aquatic grass of North America bearing grain used for food
grass whose starchy grains are used as food: wheat, rice, rye, oats, maize, buckwheat, millet

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