brig vs yawl

brig

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

  • Bridge. 

  • Brigadier. 

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

yawl

noun
  • A fore-and-aft rigged sailing vessel with two masts, main and mizzen, the mizzen stepped abaft the rudder post. 

  • A small ship's boat, usually rowed by four or six oars. 

verb
  • To cry out; to howl. 

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