Tonto vs Yahoo

Tonto

noun
  • A Native American who accepts a subservient position to a white person. 

  • A sidekick. 

name
  • A member of the Tonto Apaches. 

  • The Native American sidekick of the Lone Ranger. 

Yahoo

noun
  • One of a race of brutes, who look and act similar to men, inhabiting the same land as the civilized Houyhnhnms. 

  • An employee of the Internet company Yahoo!. 

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