ghoulish vs horrendous

ghoulish

adj
  • Of or pertaining to corpses and graverobbing. 

  • Of or pertaining to ghouls. 

  • Fascinated by corpses. 

horrendous

adj
  • Extremely bad; awful; terrible. 

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