nan vs breadstuff

nan and breadstuff both are nouns.

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

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

nan: leavened bread baked in a clay oven in India; usually shaped like a teardrop
breadstuff: food made from dough of flour or meal and usually raised with yeast or baking powder and then baked

Other hypernyms of nan include bread, staff of life.

nan (noun)	breadstuff (noun)
leavened bread baked in a clay oven in India; usually shaped like a teardrop	food made from dough of flour or meal and usually raised with yeast or baking powder and then baked
your grandmother	flour or meal or grain used in baking bread
the mother of your father or mother