matzo vs breadstuff

matzo and breadstuff both are nouns.

Word	Noun	Adjective	Verb	Adverb
matzo	Yes	No	No	No
breadstuff	Yes	No	No	No

As nouns, breadstuff is a hypernym of matzo; that is, breadstuff is a word with a broader meaning than matzo:

matzo: brittle flat bread eaten at Passover
breadstuff: food made from dough of flour or meal and usually raised with yeast or baking powder and then baked

Other hypernyms of matzo include bread, staff of life.

matzo (noun)	breadstuff (noun)
brittle flat bread eaten at Passover	food made from dough of flour or meal and usually raised with yeast or baking powder and then baked
	flour or meal or grain used in baking bread