Devil's Island vs dungeon

Devil's Island

name
  • Former name of Bermuda. An archipelago in North America, in the Atlantic 

  • An island in the Salvation Islands, Caribbean, Atlantic 

  • A former settlement, a penal colony in Devil's Island, Salvation Islands, Kourou, French Guyana, South America, in the Caribean 

dungeon

verb
  • To imprison in a dungeon. 

noun
  • A room dedicated to sadomasochistic sexual activity. 

  • An area inhabited by enemies, containing story objectives, treasure and bosses. 

  • An underground prison or vault, typically built underneath a castle. 

How often have the words Devil's Island and dungeon occurred in a corpus of books? (source: Google Ngram Viewer )