reprove vs reward

reprove

verb
  • to criticise, rebuke or reprimand (someone), usually in a gentle and kind tone. 

  • To prove again. 

  • to deny or reject (a feeling, behaviour, action etc.). 

  • to express disapproval. 

reward

verb
  • To give a reward to or for. 

  • To recompense. 

noun
  • Something of value given in return for an act. 

  • A prize promised for a certain deed or catch 

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

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