Swan vs dunk

Swan

noun
  • someone connected with Swansea City Football Club, as a fan, player, coach, etc. 

  • someone connected with the Sydney Swans, as a fan, player, coach, etc. 

name
  • A surname transferred from the nickname. 

dunk

noun
  • The act or instance of dunking, particularly in basketball. 

verb
  • To set down carelessly. 

  • To submerge briefly in a liquid. 

  • To put down on social media [+ on (object)]. 

  • To put the ball directly downward through the hoop while grabbing onto the rim with power. 

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