foremast vs mizzen

foremast

noun
  • The mast nearest the bow, on a ship with more than one mast; the second-tallest mast on a full-rigged ship. 

mizzen

noun
  • A fore-and-aft sail set on a mizzenmast. 

  • Mizzenmast. 

adj
  • Hindmost; nearest the stern. 

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