fallacy vs mistake

fallacy

noun
  • An argument, or apparent argument, which professes to be decisive of the matter at issue, while in reality it is not; a specious argument. 

  • Deceptive or false appearance; that which misleads the eye or the mind. 

mistake

noun
  • A pitch which was intended to be pitched in a hard-to-hit location, but instead ends up in an easy-to-hit place. 

  • An error; a blunder. 

verb
  • To understand wrongly, taking one thing or person for another. 

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