hoax vs spoof

hoax

verb
  • To deceive (someone) by making them believe something that has been maliciously or mischievously fabricated. 

noun
  • Anything deliberately intended to deceive or trick. 

spoof

verb
  • To deceive. 

  • To falsify. 

  • To gently satirize. 

  • To ejaculate, to come. 

noun
  • A drinking game in which players hold up to three (or another specified number of) coins hidden in a fist and attempt to guess the total number of coins held. 

  • A light parody. 

  • Nonsense. 

  • An act of deception; a hoax; a joking prank. 

  • Semen. 

adj
  • Fake, hoax. 

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