surety vs venture

surety

noun
  • One who undertakes to pay money or perform other acts in the event that his principal fails therein. 

  • A promise to pay a sum of money in the event that another person fails to fulfill an obligation. 

  • A substitute; a hostage. 

  • Evidence; confirmation; warrant. 

  • Certainty. 

  • That which makes sure; that which confirms; ground of confidence or security. 

venture

noun
  • A risky or daring undertaking or journey. 

  • An event that is not, or cannot be, foreseen. 

  • The thing risked; especially, something sent to sea in trade. 

verb
  • To put or send on a venture or chance. 

  • to dare to engage in; to attempt without any certainty of success. Used with at or on 

  • To confide in; to rely on; to trust. 

  • To risk or offer. 

  • To undertake a risky or daring journey. 

  • To say something. 

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