Brown bread and Breadstuff

Brown bread noun - Bread made with whole wheat flour.

Breadstuff and brown bread are semantically related. In some cases you can use "Breadstuff" instead a noun phrase "Brown bread".

Breadstuff noun - Food made from dough of flour or meal and usually raised with yeast or baking powder and then baked.

Brown bread and breadstuff are semantically related. Sometimes you can replace phrase "Brown bread" with "Breadstuff", this terms are similar.