cynicism vs lack of confidence

cynicism

noun
  • 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. 

  • A skeptical, scornful or pessimistic comment or act. 

lack of confidence

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