breadstuff vs tortilla

breadstuff

noun
  • Bread or bread-like baked goods of any sort. 

  • Any of the ingredients for making bread, especially as commodities in trade and especially the principal ones, namely, flour/meal or the grain with which to mill it (such as wheat, oats, rye, or any other cereal grain). 

tortilla

noun
  • A flat round bread made out of cornmeal or flour. 

  • Spanish omelette; an omelette containing potatoes and onions. 

How often have the words breadstuff and tortilla occurred in a corpus of books? (source: Google Ngram Viewer )