difficulty vs eristic

difficulty

noun
  • An awkward situation or quarrel. 

  • Physical danger from the environment, especially with risk of drowning 

  • An obstacle that hinders achievement of a goal. 

  • The state of being difficult, or hard to do. 

  • An objection. 

  • That which cannot be easily understood or believed. 

eristic

noun
  • 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. 

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

adj
  • Provoking strife, controversy or discord. 

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