international rules football vs soccer

international rules football

noun
  • A sport created as a mixture of Australian rules football and Gaelic football, to allow international matches between Australia and Ireland. 

soccer

noun
  • association football. 

verb
  • To kick the football directly off the ground, without using one's hands. 

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