sickening vs unfun

sickening

noun
  • The act of making somebody sick. 

adj
  • Causing sickness or disgust. 

  • Amazing, fantastic. 

unfun

noun
  • Lack or absence of fun; funlessness. 

adj
  • Not fun. 

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