Zip vs lascar

Zip

noun
  • A Sicilian or Italian Mafioso who is relatively new to the United States. 

lascar

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

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

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

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