Ether vs Pharos

Ether

name
  • The god-personification of the bright, glowing upper air of heaven. He is the Roman counterpart of Aether. 

  • The ancient American prophet of Mormon theology who wrote the Book of Ether in the Book of Mormon. 

noun
  • A unit of the Ethereum digital currency, ETH. 

Pharos

name
  • The Lighthouse of Alexandria, located on the island Pharos 

  • A small island off Alexandria where the Lighthouse of Alexandria was located. 

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