cheerful vs ghoulish

cheerful

adj
  • Bright and pleasant. 

  • Noticeably happy and optimistic. 

ghoulish

adj
  • Of or pertaining to corpses and graverobbing. 

  • Of or pertaining to ghouls. 

  • Fascinated by corpses. 

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