delightful vs ghoulish

delightful

adj
  • Pleasant; pleasing, bringing enjoyment, satisfaction, or pleasure. 

ghoulish

adj
  • Of or pertaining to corpses and graverobbing. 

  • Of or pertaining to ghouls. 

  • Fascinated by corpses. 

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