credence vs surety

credence

noun
  • Acceptance of a belief or claim as true, especially on the basis of evidence. 

  • Credential or supporting material for a person or claim. 

  • A small table or credenza used in certain Christian religious services. 

  • A cupboard, sideboard, or cabinet, particularly one intended for the display of rich vessels or plate on open shelves. 

  • A subjective probability estimate of a belief or claim. 

surety

noun
  • Evidence; confirmation; warrant. 

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

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

  • A substitute; a hostage. 

  • Certainty. 

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

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