Yahoo vs jokesmith

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!. 

jokesmith

noun
  • A person who devises jokes. 

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