bait vs ether

bait

verb
  • To intentionally annoy, torment, or threaten by constant rebukes or threats; to harass. 

  • (of a person) To stop to take a portion of food and drink for refreshment during a journey. 

  • To attract with bait; to entice. 

  • (of a horse or other animal) To take food, especially during a journey. 

  • To set dogs on (an animal etc.) to bite or worry; to attack with dogs, especially for sport. 

  • To affix bait to a trap or a fishing hook or fishing line. 

adj
  • Well-known; famous; renowned. 

  • Obvious; blatant. 

noun
  • Food containing poison or a harmful additive to kill animals that are pests. 

  • A light or hasty luncheon. 

  • A packed lunch. 

  • A post intended to get a rise out of others. 

  • Anything which allures; something used to lure or entice someone or something into doing something 

  • A small meal taken mid-morning while farming. 

  • Any substance, especially food, used in catching fish, or other animals, by alluring them to a hook, snare, trap, or net. 

  • A portion of food or drink, as a refreshment taken on a journey; also, a stop for rest and refreshment. 

  • A miner's packed meal. 

ether

verb
  • To viciously humiliate or insult. 

noun
  • The sky, the heavens; the void, nothingness. 

  • Starting fluid. 

  • Diethyl ether (C₄H₁₀O), an organic compound with a sweet odour used in the past as an anaesthetic. 

  • The medium breathed by human beings; the air. 

  • A particular quality created by or surrounding an object, person, or place; an atmosphere, an aura. 

  • Any of a class of organic compounds containing an oxygen atom bonded to two hydrocarbon groups. 

  • The atmosphere or space as a medium for broadcasting radio and television signals; also, a notional space through which Internet and other digital communications take place; cyberspace. 

  • Often as aether and more fully as luminiferous aether: a substance once thought to fill all unoccupied space that allowed electromagnetic waves to pass through it and interact with matter, without exerting any resistance to matter or energy; its existence was disproved by the 1887 Michelson–Morley experiment and the theory of relativity propounded by Albert Einstein (1879–1955). 

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