failure vs false alarm

failure

noun
  • State or condition of not meeting a desirable or intended objective, opposite of success. 

  • Omission to do something, whether or not it was attempted, especially something that ought to have been done. 

  • Bankruptcy. 

  • An object, person or endeavour in a state of failure or incapable of success. 

  • Termination of the ability of an item to perform its required function; breakdown. 

false alarm

noun
  • A thing or occurrence which initially causes fear, distress, etc. but which is subsequently recognized as being no cause for concern. 

  • A warning signal (such as the call of sentry, the ringing of a bell, or the shriek of a siren) which turns out to have been given erroneously. 

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