Swan vs good-time girl

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. 

good-time girl

noun
  • A prostitute. 

  • A young woman who engages regularly in partying and romantic or sexual liaisons. 

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