Cincinnati chili vs chili con carne

Cincinnati chili

noun
  • A regional style of chili con carne, especially in the greater Cincinnati area, characterized by seasonings such as cinnamon, cloves, allspice, and chocolate, and commonly served over spaghetti or as a hot dog sauce. 

chili con carne

noun
  • A dish of meat and beans in a tomato sauce flavoured with chili peppers. 

How often have the words Cincinnati chili and chili con carne occurred in a corpus of books? (source: Google Ngram Viewer )