chili vs sweet pepper

chili

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

  • 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. 

sweet pepper

noun
  • The fruit of a non-spicy cultivar of pepper, Capsicum annuum, marketed in green-, red-, yellow- and orange-skinned varieties. 

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