caique vs cockboat

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. 

cockboat

noun
  • A small rowing boat, especially one pulled behind a larger ship, or used to ferry goods between a ship and the shore. 

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