matzah vs staff of life

matzah and staff of life both are nouns.

Word	Noun	Adjective	Verb	Adverb
matzah	Yes	No	No	No
staff of life	Yes	No	No	No

As nouns, staff of life is a hypernym of matzah; that is, staff of life is a word with a broader meaning than matzah:

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

Other hypernyms of matzah include bread, breadstuff.

matzah (noun)	staff of life (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