lascar vs swab

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. 

swab

noun
  • A naval officer's epaulet. 

  • A sailor; a swabby. 

  • A small piece of soft, absorbent material, such as gauze, used to clean wounds, apply medicine, or take samples of body fluids. Often attached to a stick or wire to aid access. 

  • A mop, especially on a ship. 

  • A piece of material used for cleaning or sampling other items like musical instruments or guns. 

  • A sample taken with a swab (piece of absorbent material). 

verb
  • To use a swab on something, or clean something with a swab. 

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