Bozo vs Deke

Bozo

name
  • The Mande language of these people. 

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

Deke

name
  • A male given name. 

noun
  • A member of the Delta Kappa Epsilon fraternity, founded at Yale College in 1844. 

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