countryside vs tract of land

countryside

noun
  • Such part of a larger area. 

  • An area located outside of towns and cities; an area that is not urban or suburban; a rural area. 

  • A rural landscape. 

tract of land

noun
  • Used other than figuratively or idiomatically: see tract, of, land. 

  • A woman's breast. 

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