anticlimax vs expiration

anticlimax

noun
  • An unsatisfying resolution to a narrative, usually owing to a deus ex machina or similarly trivial resolution of the main conflict. 

  • An abrupt descent (either deliberate or unintentional) from the dignity of the idea which the speaker or writer appeared to be aiming for. 

expiration

noun
  • That which is produced by breathing out, as a sound. 

  • A cessation, extinction, ending 

  • Emission of volatile matter; exhalation. 

  • The last emission of breath; death. 

  • The act of expiring. 

  • The act or process of breathing out, or forcing air from the lungs through the nose or mouth 

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