handegg vs international rules football

handegg

noun
  • Any of the sports that are called football but are played mainly with the hands and with a prolate spheroid ball; that is, American football and (less often) Canadian and Australian football. 

  • The ball used to play such a game. 

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. 

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