ether vs spirit

ether

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

  • 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. 

  • 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). 

verb
  • To viciously humiliate or insult. 

spirit

noun
  • The manner or style of something. 

  • A supernatural being, often but not exclusively without physical form; ghost, fairy, angel. 

  • Energy; ardour. 

  • Temper or disposition of mind; mental condition or disposition; intellectual or moral state. 

  • A volatile liquid, such as alcohol. The plural form spirits is a generic term for distilled alcoholic beverages. 

  • Stannic chloride. 

  • One who is vivacious or lively; one who evinces great activity or peculiar characteristics of mind or temper. 

  • Intent; real meaning; opposed to the letter, or formal statement. 

  • The soul of a person or other creature. 

  • Enthusiasm. 

verb
  • Sometimes followed by up: to animate with vigour; to excite; to encourage; to inspirit. 

  • To carry off, especially in haste, secrecy, or mystery. 

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