appease vs hebetate

appease

verb
  • To make quiet; to calm; to reduce to a state of peace; to dispel (anger or hatred). 

  • To come to terms with; to adapt to the demands of. 

hebetate

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

adj
  • obtuse; dull 

  • Having a dull or blunt and soft point 

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