ghoulish vs terrifying

ghoulish

adj
  • Of or pertaining to ghouls. 

  • Of or pertaining to corpses and graverobbing. 

  • Fascinated by corpses. 

terrifying

adj
  • Of a formidable nature; terrific 

  • Frightening or intimidating. 

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