advantage vs hydra

advantage

verb
  • to do something for one's own benefit; to take advantage of 

  • to provide (someone) with an advantage, to give an edge to 

noun
  • Superiority of state, or that which gives it; benefit; gain; profit 

  • The continuation of the game after a foul against the attacking team, because the attacking team are in an advantageous position. 

  • Any condition, circumstance, opportunity or means, particularly favorable or chance to success, or to any desired end. 

  • The score where one player wins a point after deuce but needs the next to carry the game. 

  • Interest of money; increase; overplus (as the thirteenth in the baker's dozen). 

hydra

noun
  • Any of several small freshwater polyps of the genus Hydra and related genera, having a naked cylindrical body and an oral opening surrounded by tentacles. 

  • A dragon-like creature with many heads and the ability to regrow them when maimed. 

  • A complex, multifarious problem or situation that cannot be solved easily and rapidly. 

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