Ether vs Rapture

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. 

Rapture

name
  • a prophesied sudden removal of Christian believers from the Earth before the Tribulation or simultaneous with the second coming of Jesus Christ 

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