breadstuff vs starches

breadstuff and starches both are nouns.

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

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

breadstuff: food made from dough of flour or meal and usually raised with yeast or baking powder and then baked
starches: foodstuff rich in natural starch (especially potatoes, rice, bread)

Other hypernyms of breadstuff include baked goods.

breadstuff (noun)	starches (noun)
food made from dough of flour or meal and usually raised with yeast or baking powder and then baked	foodstuff rich in natural starch (especially potatoes, rice, bread)
flour or meal or grain used in baking bread