pastiche vs spoof

pastiche

noun
  • An incongruous mixture; a hodgepodge. 

  • A work of art, drama, literature, music, or architecture that imitates the work of a previous artist. 

  • A musical medley, typically quoting other works. 

  • A postmodern playwriting technique that fuses a variety of styles, genres, and story lines to create a new form. 

verb
  • To create or compose in a mixture of styles. 

spoof

noun
  • Semen. 

  • 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. 

verb
  • To falsify. 

  • To gently satirize. 

  • To ejaculate, to come. 

  • To deceive. 

adj
  • Fake, hoax. 

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