Bastille vs Devil's Island

Bastille

name
  • A prison in France, the storming of which in 1789 CE began the French Revolution. 

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 

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