obsessed vs unaccustomed

obsessed

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

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

unaccustomed

adj
  • Not used to an event or thing, not accustomed. 

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