ghoulish vs sanguinous

ghoulish

adj
  • Of or pertaining to corpses and graverobbing. 

  • Of or pertaining to ghouls. 

  • Fascinated by corpses. 

sanguinous

adj
  • Bloody; containing blood. 

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