deprecative vs pejorative

deprecative

adj

  • Tending to deprecate; disapproving. 

pejorative

adj

  • Disparaging, belittling or derogatory. 

noun

  • A disparaging, belittling, or derogatory word or expression. 

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