differ vs spoof

differ

noun
  • A program that diffs, a diff. 

verb
  • Not to have the same traits or characteristics; to be unalike or distinct. 

  • To have diverging opinions, disagree. 

  • To be separated in quantity. 

spoof

verb
  • To falsify. 

  • To gently satirize. 

  • To ejaculate, to come. 

  • To deceive. 

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 differ and spoof occurred in a corpus of books? (source: Google Ngram Viewer )