hazard vs plunge

hazard

verb
  • To risk (something); to venture, incur, or bring on. 

  • To expose to chance; to take a risk. 

noun
  • An obstacle or other feature which causes risk or danger; originally in sports, and now applied more generally. 

  • A problem with the instruction pipeline in CPU microarchitectures when the next instruction cannot execute in the following clock cycle, potentially leading to incorrect results. 

  • The act of potting a ball, whether the object ball (winning hazard) or the player's ball (losing hazard). 

  • A game of chance played with dice, usually for monetary stakes; popular mainly from 14th c. to 19th c. 

  • Chance. 

  • An obstacle or other feature that presents a risk or danger that justifies the driver in taking action to avoid it. 

  • The side of the court into which the ball is served. 

  • The chance of suffering harm; danger, peril, risk of loss. 

  • A sand or water obstacle on a golf course. 

plunge

verb
  • To fall or rush headlong into some thing, action, state or condition. 

  • To pitch or throw oneself headlong or violently forward, as a horse does. 

  • To bet heavily and recklessly; to risk large sums in gambling. 

  • To thrust into liquid, or into any penetrable substance; to immerse. 

  • To cast, stab or throw into some thing, state, condition or action. 

  • To remove a blockage by suction. 

  • To dive, leap or rush (into water or some liquid); to submerge oneself. 

noun
  • Heavy and reckless betting in horse racing; hazardous speculation. 

  • A dive, leap, rush, or pitch into (into water). 

  • The act of plunging or submerging. 

  • The act of pitching or throwing oneself headlong or violently forward, like an unruly horse. 

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