denunciation vs exculpation

denunciation

noun
  • An open declaration of personal fault. 

  • The announcement of termination (of a treaty). 

  • Proclamation; announcement; a publishing. 

  • That by which anything is denounced; threat of evil; public menace or accusation; arraignment. 

  • The act of denouncing; an accusation made in public 

exculpation

noun
  • The act of exculpating from alleged fault or crime. 

  • That which exculpates; an excuse. 

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