hebetate vs unmoved

hebetate

adj
  • obtuse; dull 

  • Having a dull or blunt and soft point 

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

unmoved

adj
  • Not sympathetic; uncaring. 

  • Not affected emotionally, or not showing emotion. 

  • Not physically moved. 

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