international football vs soccer ball

international football

noun
  • Soccer. 

  • Used other than figuratively or idiomatically: see international, football. 

  • The combination of Canadian football and American football. 

soccer ball

noun
  • A ball that is designed for use in the sport of soccer; a football. 

How often have the words international football and soccer ball occurred in a corpus of books? (source: Google Ngram Viewer )