Mother Nature vs countryside

Mother Nature

name
  • A personification of nature as woman, stressing fertility and fecundity. Based upon either goddesses of the earth and nature, Gaia, Rhea, or Demeter. 

countryside

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

  • Such part of a larger area. 

  • A rural landscape. 

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