dyslogistic vs pejorative

dyslogistic

adj

  • Expressing censure or disapproval 

pejorative

adj

  • Disparaging, belittling or derogatory. 

noun

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

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