black pepper vs capsicum

black pepper

noun
  • The dried, unripe berries (peppercorns) of the Piper nigrum plant which are commonly used as a spice and seasoning. They are either used whole, or in a ground or crushed form. 

  • The plant Piper nigrum. 

capsicum

noun
  • The spicy fruit of the above plants, the bell pepper. 

  • Any of several tropical American plants, of the genus Capsicum, principally the species Capsicum annuum and Capsicum frutescens, that are cultivated as edible peppers. 

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