matzoh vs unleavened bread

matzoh and unleavened bread both are nouns.

Word	Noun	Adjective	Verb	Adverb
matzoh	Yes	No	No	No
unleavened bread	Yes	No	No	No

As nouns, matzoh and unleavened bread are synonyms defined as:

Other synonyms of matzoh include matzah, matzo.

matzoh (noun)	unleavened bread (noun)
brittle flat bread eaten at Passover	brittle flat bread eaten at Passover