intolerable vs pachydermatous

intolerable

adj
  • Extremely offensive or insulting. 

  • Not tolerable; not capable of being borne or endured. 

  • Extremely worn and degraded, to the point of being unsafe. 

pachydermatous

adj
  • Thick-skinned; insensitive. 

  • Of or relating to the pachyderms. 

  • Like an elephant 

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