unleavened bread vs matzoh

unleavened bread and matzoh both are nouns.

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

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

Other synonyms of unleavened bread include matzah, matzo.

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