Gaia vs Mother Nature

Gaia

name
  • A Greek goddess, the personification of the earth, and one of the primordial deities from whom all the others descend. 

  • The ecosystem of the Earth regarded as a self-regulating superorganism. 

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. 

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