Demeter vs Gaia

Demeter

name
  • The goddess of the fertility of the Earth and harvests, protector of marriage and social order; daughter of Cronos and Rhea, mother to Persephone. 

  • 1108 Demeter, a main belt asteroid. 

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. 

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