granola vs dry cereal

granola and dry cereal both are nouns.

Word	Noun	Adjective	Verb	Adverb
granola	Yes	No	No	No
dry cereal	Yes	No	No	No

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

granola: cereal made of especially rolled oats with dried fruits and nuts and honey or brown sugar
dry cereal: a cereal that is not heated before serving

Other hypernyms of granola include cold cereal.

granola (noun)	dry cereal (noun)
cereal made of especially rolled oats with dried fruits and nuts and honey or brown sugar	a cereal that is not heated before serving