genius loci vs theurgist

genius loci

noun
  • The minor deity or spirit watching over a particular place. 

  • The spirit or atmosphere of a place, especially conceived as a source of artistic inspiration. 

theurgist

noun
  • One who claims or is alleged to perform magic with the aid of beneficent spirits. 

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