Bastille vs pokey

Bastille

name

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

pokey

adj

  • slow 

  • fast 

  • of small volume, cramped 

noun

  • knife. 

  • prison. 

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