attrition vs risk

attrition

noun
  • The loss of participants during an experiment. 

  • A gradual, natural reduction in membership or personnel, as through retirement, resignation, or death. 

  • Grinding down or wearing away by friction. 

  • Imperfect contrition or remorse. 

  • The gradual reduction in a tangible or intangible resource due to causes that are passive and do not involve productive use of the resource. 

  • The wearing of teeth due to their grinding. 

  • The loss of a first or second language or a portion of that language. 

verb
  • To reduce the number of (jobs or workers) by not hiring new employees to fill positions that become vacant (often with out). 

  • To undergo a reduction in number. 

  • To grind or wear down through friction. 

risk

noun
  • The magnitude of possible loss consequent 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 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 attrition and risk occurred in a corpus of books? (source: Google Ngram Viewer )