exoneration vs punishment

exoneration

noun
  • An act of disburdening, discharging, or freeing morally from a charge or imputation. 

  • The state of being disburdened or freed from a charge. 

punishment

noun
  • The act or process of punishing, imposing and/or applying a sanction. 

  • A penalty to punish wrongdoing, especially for crime. 

  • Any harsh treatment or experience; rough handling. 

  • A suffering by pain or loss imposed as retribution 

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