despair vs laughter

despair

verb
  • To be hopeless; to have no hope; to give up all hope or expectation. 

  • To cause to despair. 

noun
  • That which causes despair. 

  • Loss of hope; utter hopelessness; complete despondency. 

  • That which is despaired of. 

laughter

noun
  • A movement (usually involuntary) of the muscles of the laughing face, particularly of the lips, and of the whole body, with a peculiar expression of the eyes, indicating merriment, satisfaction or derision, and usually attended by a sonorous and interrupted expulsion of air from the lungs. 

  • The sound of laughing, produced by air so expelled; any similar sound. 

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