mockery vs parody

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. 

parody

noun
  • A work or performance that imitates another work or performance with ridicule or irony. 

verb
  • To make a parody of something. 

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