insensate vs pachydermatous

insensate

adj
  • Unfeeling, heartless, cruel, insensitive. 

  • Not responsive to sensory stimuli. 

  • Senseless; foolish; irrational. 

  • Having no sensation or consciousness; unconscious; inanimate. 

verb
  • To render insensate; to deprive of sensation or consciousness. 

noun
  • One who is insensate. 

pachydermatous

adj
  • Thick-skinned; insensitive. 

  • Of or relating to the pachyderms. 

  • Like an elephant 

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