eristic vs unutterable

eristic

noun
  • One who makes specious arguments; one who is disputatious. 

  • A type of dialogue or argument where the participants do not have any reasonable goal. The aim is to argue for the sake of conflict, and often to see who can yell the loudest. 

adj
  • Provoking strife, controversy or discord. 

unutterable

noun
  • Something which is unutterable (incapable of being physically spoken, incapable of being articulated or expressed, etc.). 

adj
  • Not utterable; incapable of being physically spoken or voiced; unpronounceable. 

  • Not allowed to be spoken; taboo, unspeakable. 

  • Incapable of being articulated or expressed; indescribable, inexpressible. 

  • Extremely bad or objectionable; unspeakable. 

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