flatbread vs bread

flatbread and bread both are nouns.

Word	Noun	Adjective	Verb	Adverb
flatbread	Yes	No	No	No
bread	Yes	No	Yes	No

As nouns, bread is a hypernym of flatbread; that is, bread is a word with a broader meaning than flatbread:

flatbread: any of various breads made from usually unleavened dough
bread: food made from dough of flour or meal and usually raised with yeast or baking powder and then baked

Other hypernyms of flatbread include breadstuff, staff of life.

flatbread (noun)	bread (noun)
any of various breads made from usually unleavened dough	food made from dough of flour or meal and usually raised with yeast or baking powder and then baked
	informal terms for money

flatbread (verb)	bread (verb)
	cover with bread crumbs