condescend vs mistake

condescend

verb
  • To treat (someone) as though inferior; to be patronizing toward (someone); to talk down to (someone). 

  • To come down from one's superior position; to deign (to do something). 

  • To treat (someone) as though inferior; to be patronizing (toward someone); to talk down (to someone). 

mistake

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

noun
  • An error; a blunder. 

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

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