Ether vs bandwidth

Ether

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

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. 

bandwidth

noun
  • The width of the smallest frequency band within which the signal can fit. 

  • The rate of data flow in digital networks typically measured in bits per second; the bitrate. 

  • The width, usually measured in hertz, of a frequency band. 

  • The capacity, energy or time required. 

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