burgee vs windjammer

burgee

noun
  • A flag, usually a broad tapering pennant, often with a swallowtail, flown by yachts to identify the owner's yacht club. 

windjammer

noun
  • A sailing ship; especially a large, iron-hulled, square-rigged ship with three or more masts. 

  • A windbag, a loquacious person. 

  • A member of the crew of a ship of this kind. 

  • A weatherproof jacket (windcheater). 

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