Delphian vs prescient

Delphian

name
  • A dialect of Ancient Greek. 

adj
  • Of or relating to Delphi in Greece; Delphic. 

noun
  • A native or inhabitant of Delphi. 

prescient

adj
  • Exhibiting or possessing prescience: having knowledge of, or seemingly able to correctly predict, events before they take place. 

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