imposture vs spoof

imposture

noun
  • The act or conduct of an impostor; deception practiced under a false or assumed character; fraud or imposition 

spoof

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

  • 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. 

  • Semen. 

adj
  • Fake, hoax. 

verb
  • To falsify. 

  • To gently satirize. 

  • To ejaculate, to come. 

  • To deceive. 

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