cynicism vs sarcasm

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. 

sarcasm

noun
  • An act of sarcasm. 

  • Use of acerbic language to mock or convey contempt, often using irony and (in speech) often marked by overemphasis and a sneering tone of voice. 

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