mistake vs take it

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. 

take it

verb
  • Used other than figuratively or idiomatically: see take, it. 

  • to suppose 

  • to reluctantly accept or believe; to acquiesce 

  • to start doing 

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