brig vs schooner

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. 

schooner

noun
  • A sailing ship with two or more masts, all with fore-and-aft sails; if two masted, having a foremast and a mainmast. 

  • A glass for drinking a large measure of sherry. 

  • A covered wagon used by emigrants. 

  • A large goblet or drinking glass, used for lager or ale (Wikipedia). 

  • A glass of beer, of a size which varies between states (Wikipedia). 

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