hebetate vs ignoble

hebetate

verb
  • To render obtuse; to dull; to blunt. 

adj
  • obtuse; dull 

  • Having a dull or blunt and soft point 

ignoble

verb
  • To make ignoble; to bring low. 

adj
  • Not noble; plebeian; common. 

  • Not honorable; base. 

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

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