Cincinnati chili vs chili

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

noun
  • Cincinnati chili. 

  • Powdered chili pepper, used as a spice or flavouring in cooking. 

  • A spicy stew of chicken or paneer, capsicum and onion, eaten as an appetizer. 

  • A dish made with chili peppers and other ingredients, such as beans and beef. 

  • The pungent, spicy fresh or dried fruit of any of several cultivated varieties of capsicum peppers, used in cooking. 

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