eristic vs troubling

eristic

adj
  • Provoking strife, controversy or discord. 

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. 

troubling

adj
  • distressing, worrying 

noun
  • The infliction of trouble or distress. 

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