caique vs longship

caique

noun
  • A small wooden trading vessel, brightly painted and rigged for sail, traditionally used for fishing and trawling. 

  • Any of four (previously two) species of parrot in the genus Pionites. 

longship

noun
  • A type of naval vessel made by the Vikings. 

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