obsessed vs possessed

obsessed

adj
  • Influenced or controlled by evil spirits, but less than possessed in that the spirits do not actually reside in the victim. 

  • Intensely preoccupied with or by a given topic or emotion; driven by a specified obsession. 

possessed

adj
  • controlled by evil spirits. 

  • Followed by of: having; owning. 

  • Seized by powerful emotions. 

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