density vs risk

density

noun
  • The probability that an outcome will fall into a given range, per unit of that range; the relative likelihood of possible values of a continuous random variable. 

  • A measure of the mass of matter contained by a unit volume. 

  • The ratio of one quantity, representing something of interest, to another quantity representing space, area, or extent in which the thing of interest is distributed. 

risk

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

  • 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. 

  • 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 density and risk occurred in a corpus of books? (source: Google Ngram Viewer )