breadstuff vs food product

breadstuff and food product both are nouns.

Word	Noun	Adjective	Verb	Adverb
breadstuff	Yes	No	No	No
food product	Yes	No	No	No

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

Other hypernyms of breadstuff include foodstuff.

breadstuff (noun)	food product (noun)
food made from dough of flour or meal and usually raised with yeast or baking powder and then baked	a substance that can be used or prepared for use as food
flour or meal or grain used in baking bread