derisive vs derogatory

derisive

adj
  • Deserving or provoking derision or ridicule. 

  • Expressing or characterized by derision; mocking; ridiculing. 

noun
  • A derisive remark. 

derogatory

adj
  • Being or pertaining to a derogatory clause. 

  • Disparaging. 

  • Tending to derogate 

  • Reducing the power or value of (a governmental body, etc); detracting from. 

  • Lessening the worth of (a person, etc); expressing derogation; insulting. 

noun
  • A trade-line on a credit report that includes negative credit history. 

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