brig vs pokey

brig

noun
  • A jail or guardhouse, especially in a naval military prison or jail on a ship, navy base, or (in fiction) spacecraft. 

  • A two-masted vessel, square-rigged on both foremast and mainmast 

  • Bridge. 

  • Brigadier. 

pokey

noun
  • prison. 

  • knife. 

adj
  • slow 

  • fast 

  • of small volume, cramped 

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