approbative vs pejorative

approbative

noun
  • A word or grammatical form which denotes a positive affect expressing the appreciation or approval of the speaker. 

adj
  • Sanctioning officially, giving authorization or approval to something. 

  • Expressing approval. 

pejorative

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

adj
  • Disparaging, belittling or derogatory. 

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