poison vs risk

poison

verb
  • To pollute; to cause to become poisonous. 

  • To place false information into (a cache) as part of an exploit. 

  • To cause (someone) to hate or to have unfair negative opinions. 

  • To use poison to kill or paralyse (somebody). 

  • To cause to become much worse. 

  • To inhibit the catalytic activity of. 

noun
  • A substance that is harmful or lethal to a living organism when ingested. 

  • Any substance that inhibits catalytic activity. 

  • Something that harms a person or thing. 

  • An intoxicating drink; a liquor. (note: this sense is chiefly encountered in the phrases "name your poison" and "what's your poison ?") 

risk

verb
  • To incur risk of harming or jeopardizing. 

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

  • To incur risk of (something). 

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). 

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