derisive vs nonpositive

derisive

noun

  • A derisive remark. 

adj

  • Deserving or provoking derision or ridicule. 

  • Expressing or characterized by derision; mocking; ridiculing. 

nonpositive

noun

  • Any value that is not positive. 

adj

  • Not positive; either zero or negative. 

  • Not positive. 

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