ghoulish vs unpleasant

ghoulish

adj
  • Of or pertaining to corpses and graverobbing. 

  • Of or pertaining to ghouls. 

  • Fascinated by corpses. 

unpleasant

adj
  • Not pleasant. 

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