chili powder vs hot pepper

chili powder

noun
  • Pulverized dry chilis used for culinary purposes. 

hot pepper

noun
  • Any of various small peppers of highly notable pungency or heat. 

  • Any of the plants that bear such fruit, especially the species Capsicum annuum and Capsicum frutescens and their numerous subspecies, varieties, or cultivars. 

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