Centaur vs gorgon

Centaur

noun
  • 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 skillful horseman or horsewoman. 

  • 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 

gorgon

noun
  • A vicious female monster from Greek mythology with sharp fangs and hair of living, venomous snakes. One of the three sisters: Medusa, Stheno and Euryale 

  • An intimidating, ugly, or disgusting woman; anything hideous or horrid. 

adj
  • Like a gorgon; very ugly or terrifying. 

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