conviction vs cynicism

conviction

noun
  • The state of being wholly convinced. 

  • A judgement of guilt in a court of law. 

  • A firmly held belief. 

  • The state of being found or proved guilty. 

cynicism

noun
  • A skeptical, scornful or pessimistic comment or act. 

  • A distrustful attitude. 

  • An emotion of jaded negativity, or a general distrust of the integrity or professed motives of other people. Cynicism can manifest itself by frustration, disillusionment and distrust in regard to organizations, authorities and other aspects of society, often due to previous bad experience. Cynics often view others as motivated solely by disguised self-interest. 

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