affliction vs unfun

affliction

noun
  • A state of pain, suffering, distress or agony. 

  • Something which causes pain, suffering, distress or agony. 

unfun

noun
  • Lack or absence of fun; funlessness. 

adj
  • Not fun. 

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