approval vs denunciation

approval

noun
  • An expression granting permission; an indication of agreement with a proposal; an acknowledgement that a person, thing, or event meets requirements. 

  • Something mailed by a seller to a collector to match their stated interests; the collector can approve of or return the item. 

  • An expression of favorable acceptance and encouragement; a compliment that also condones. 

denunciation

noun
  • Proclamation; announcement; a publishing. 

  • The announcement of termination (of a treaty). 

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

  • The act of denouncing; an accusation made in public 

  • An open declaration of personal fault. 

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