derisive vs unsensitive

derisive

adj
  • Expressing or characterized by derision; mocking; ridiculing. 

  • Deserving or provoking derision or ridicule. 

noun
  • A derisive remark. 

unsensitive

adj
  • Synonym of insensitive 

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