cayenne pepper vs pimento

cayenne pepper

noun
  • A powder condiment or spice formed from the dried chilli pepper varieties above. 

  • Any of several very hot chilli peppers. 

pimento

noun
  • A red sweet pepper, a cultivar of Capsicum annuum, used to make relish, stuffed into olives, or used as spice. 

  • A tropical berry used to make allspice. 

  • The tree on which it grows. 

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