bitching vs unfun

bitching

noun

  • A spiteful criticism or complaint. 

adj

  • Excellent; outstanding. 

  • Awful, terrible. 

unfun

noun

  • Lack or absence of fun; funlessness. 

adj

  • Not fun. 

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