mistake vs verity

mistake

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. 

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

verity

noun
  • Truth, fact or reality, especially an enduring religious or ethical truth; veracity. 

  • A true statement; an established doctrine. 

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