Canuck vs muff diver

Canuck

noun

  • A thing from Canada. 

  • A Canadian, sometimes especially a French Canadian. 

  • The French-Canadian dialect. 

  • A member of the Vancouver Canucks professional NHL ice hockey team. 

  • The Avro Canada CF-100 fighter-interceptor. 

adj

  • Canadian. 

muff diver

noun

  • One who performs cunnilingus. 

  • A lesbian. 

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