Centaur vs bogey

Centaur

noun
  • A skillful horseman or horsewoman. 

  • One of a race of monsters having a head, torso, and arms of a man, and the body and legs of a horse. Often depicted as rowdy drunkards, with Chiron being a notable exception. 

  • A U.S. upper stage, with a restartable liquid-propellant engine, used with an Atlas or Titan booster to launch satellites and probes. 

  • An icy planetoid that orbits the Sun between Jupiter and Neptune 

bogey

noun
  • An unidentified aircraft, especially as observed as a spot on a radar screen and suspected to be hostile. 

  • A standard of performance set up as a mark to be aimed at in competition. 

  • A bugbear: any terrifying thing. 

  • Synonym of bandit: an enemy aircraft. 

  • A score of one over par on a hole. 

  • A bog-standard (representative) specimen taken from the center of production. 

  • A swim or bathe; a bath. 

  • A ghost, goblin, or other hostile supernatural creature. 

verb
  • To make a bogey. 

  • To swim; to bathe. 

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