hebetate vs inarticulate

hebetate

adj
  • obtuse; dull 

  • Having a dull or blunt and soft point 

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

inarticulate

adj
  • speechless 

  • not articulated in normal words. 

  • unable to speak with any clarity 

  • not having joints or other articulations 

noun
  • An animal belonging to the subphylum Inarticulata. 

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