denigratory vs derisive

denigratory

adj

  • Tending to denigrate. 

derisive

adj

  • Expressing or characterized by derision; mocking; ridiculing. 

  • Deserving or provoking derision or ridicule. 

noun

  • A derisive remark. 

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