disquieting vs unfun

disquieting

noun
  • The act by which someone or something is disquieted. 

adj
  • Causing mental trouble or anguish; upsetting; making uneasy. 

unfun

noun
  • Lack or absence of fun; funlessness. 

adj
  • Not fun. 

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