failure vs reward

failure

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

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

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

  • Bankruptcy. 

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

reward

noun
  • The result of an action, whether good or bad. 

  • Something of value given in return for an act. 

  • A prize promised for a certain deed or catch 

verb
  • To give a reward to or for. 

  • To recompense. 

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