Westie vs smackhead

Westie

noun
  • A member of a criminal gang based in Hell's Kitchen on the west side of Manhattan. 

  • A member of the Royal Westminster Regiment. 

  • An intense fan of the Christian singer Matthew West. 

  • An inhabitant of the western suburbs of Auckland. 

  • An inhabitant of the western suburbs of Sydney or Melbourne. 

  • A West Highland White Terrier. 

smackhead

noun
  • A person who regularly uses heroin. 

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