Bozo vs macaque

Bozo

noun
  • A member of a West African ethnic group located predominantly along the Niger River in Mali, famous for their fishing. 

name
  • The Mande language of these people. 

macaque

noun
  • Any of a group of Old World monkeys of the subfamily Cercopithecinae, especially genus Macaca. 

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