atrocity vs unfun

atrocity

noun
  • The quality or state of being atrocious; enormous wickedness; extreme criminality or cruelty. 

  • An extremely cruel act; a horrid act of injustice. 

  • An object considered to be extremely unattractive or undesirable. 

unfun

noun
  • Lack or absence of fun; funlessness. 

adj
  • Not fun. 

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