mockery vs travesty

mockery

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

  • The action of mocking; ridicule, derision. 

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

travesty

noun
  • A parody or stylistic imitation. 

  • A grossly inferior imitation. 

  • An appalling version of something. 

  • An absurd or grotesque misrepresentation. 

verb
  • To make a travesty of; to parody. 

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