breastbone vs brisket

breastbone

noun
  • The central narrow bone in the front of the chest, connecting the collarbone and the top ribs. 

brisket

noun
  • A cut of meat taken from the chest, especially from the section under the first five ribs. 

  • The chest of an animal. 

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