mockery vs raillery

mockery

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

  • The action of mocking; ridicule, derision. 

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

raillery

noun
  • Good-natured banter, jest, or ridicule. 

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