rice vs cereal

rice and cereal both are nouns.

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

As nouns, cereal is a hypernym of rice; that is, cereal is a word with a broader meaning than rice:

Other hypernyms of rice include starches, food grain, grain.

As nouns, cereal is a hypernym of rice; that is, cereal is a word with a broader meaning than rice:

rice: annual or perennial rhizomatous marsh grasses; seed used for food; straw used for paper
cereal: grass whose starchy grains are used as food: wheat, rice, rye, oats, maize, buckwheat, millet

Other hypernyms of rice include cereal grass.

rice (noun)	cereal (noun)
grains used as food either unpolished or more often polished	a breakfast food prepared from grain
annual or perennial rhizomatous marsh grasses; seed used for food; straw used for paper	foodstuff prepared from the starchy grains of cereal grasses
	grass whose starchy grains are used as food: wheat, rice, rye, oats, maize, buckwheat, millet

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

rice (verb)	cereal (verb)
sieve so that it becomes the consistency of rice