Breadstuff and Light bread

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

Light bread and breadstuff are semantically related. In some cases you can replace phrase "Light bread" with "Breadstuff", this terms are similar.

Light bread noun - Bread made with finely ground and usually bleached wheat flour.

Breadstuff and light bread are semantically related. You can use "Breadstuff" instead a noun phrase "Light bread".