Swan vs Wend

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. 

Wend

noun
  • A Slavic person living anywhere in the vicinity of German-speaking areas. 

  • A member of a Slavic people from the borders of Germany and Poland; a Sorb; a Kashub. 

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