Centaur vs hag

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 

hag

noun
  • A witch, sorceress, or enchantress; a wizard. 

  • An evil woman. 

  • A hagfish; one of various eel-like fish of the family Myxinidae, allied to the lamprey, with a suctorial mouth, labial appendages, and a single pair of gill openings. 

  • A quagmire; mossy ground where peat or turf has been cut. 

  • The fruit of the hagberry, Prunus padus. 

  • A fury; a she-monster. 

  • Sleep paralysis. 

  • A small wood, or part of a wood or copse, which is marked off or enclosed for felling, or which has been felled. 

  • An ugly old woman. 

  • A hagdon or shearwater; one of various sea birds of the genus Puffinus. 

verb
  • To harass; to weary with vexation. 

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