possible vs risk

possible

noun
  • A particular event that may happen. 

  • A possible choice, notably someone being considered for a position. 

  • A possible one. 

adj
  • Capable of being done or achieved; feasible. 

  • Apparently valid, likely, plausible. 

  • Able but not certain to happen; neither inevitable nor impossible. 

  • Being considered, e.g. for a position. 

risk

noun
  • A possible adverse event or outcome. 

  • A borrower (such as a mortgage-holder or person with a credit card). 

  • An entity insured by an insurer. 

  • The potential negative effect of an event, determined by multiplying the likelihood of the event occurring with its magnitude should it occur. 

  • The magnitude of possible loss consequent to a decision or event. 

  • The probability of a negative outcome to a decision or event. 

  • A type of adverse event covered under an insurance policy. 

  • A financial product (typically an investment). 

  • A thing (from the perspective of how likely or unlikely it is to cause an adverse effect). 

verb
  • To incur risk as a result of (doing something). 

  • To incur risk of harming or jeopardizing. 

  • To incur risk of (something). 

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