haunted vs troubled

haunted

adj
  • Showing a feeling of being disturbed. 

  • Of a location, frequented by a ghost or ghosts. 

  • Obsessed (by an idea, threat, etc.). 

troubled

adj
  • anxious, worried, careworn. 

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