cynicism vs scepsis

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. 

scepsis

noun
  • skepticism; skeptical philosophy 

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