footer vs international rules football

footer

noun
  • Football / soccer. 

  • Something that measures a stated number of feet in some dimension. 

  • Someone who has a preference for using a certain foot. 

  • A line of information printed at the bottom of a page to identify the contents. (Compare foot in printing.) 

verb
  • To meddle with or pass time without accomplishing anything meaningful. 

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 footer and international rules football occurred in a corpus of books? (source: Google Ngram Viewer )