Devil's Island vs Leavenworth

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 

Leavenworth

name
  • A surname. 

  • A city, the county seat of Leavenworth County, Kansas. 

  • A town in Indiana; named for founders Zebulon and Seth Leavenworth. 

  • A city in Washington. 

  • An unincorporated community in Minnesota; named for American soldier Henry Leavenworth. 

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