gaffer vs lascar

gaffer

noun
  • A sailor. 

  • A chief lighting technician for a motion-picture or television production. 

  • The leader of a group or team, such as a boss, foreman, coach, publican. 

  • The baby in the house. 

  • An old man. 

  • A glassblower. 

lascar

noun
  • A sailor from India or Southeast Asia, especially as serving on a European ship. 

  • Any of various nymphalid butterflies of the Asian genera Pantoporia and Lasippa. 

  • A tent-pitcher; also a type of artilleryman. 

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