boner vs mistake

boner

noun
  • An erect penis. 

  • An often perverse sense of enjoyment from or predilection towards something. 

  • Why do guys get boners when they wake up in the morning? 

  • One who or that which bones (removes bones). 

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. 

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