mockery vs sarcasm

mockery

noun
  • The action of mocking; ridicule, derision. 

  • Mimicry, imitation, now usually in a derogatory sense; a travesty, a ridiculous simulacrum. 

  • Something so lacking in necessary qualities as to inspire ridicule; a laughing-stock. 

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 mockery and sarcasm occurred in a corpus of books? (source: Google Ngram Viewer )