demeaning vs ignoble

demeaning

adj
  • degrading; that degrades 

ignoble

adj
  • Not noble; plebeian; common. 

  • Not honorable; base. 

  • Not a true or "noble" falcon; said of certain hawks, such as the goshawk. 

verb
  • To make ignoble; to bring low. 

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