guarantee vs security

guarantee

noun
  • A legal assurance of something, e.g. a security for the fulfillment of an obligation. 

  • The person to whom a guarantee is made. 

  • A person who gives such a guarantee; a guarantor. 

  • More specifically, a written declaration that a certain product will be fit for a purpose and work correctly; a warranty 

  • Anything that assures a certain outcome. 

verb
  • To make something certain. 

  • To give an assurance that something will be done right. 

  • To assume or take responsibility for a debt or other obligation. 

security

noun
  • Something that secures the fulfillment of an obligation or law. 

  • Proof of ownership of stocks, bonds or other investment instruments. 

  • Property etc. temporarily relinquished to guarantee repayment of a loan. 

  • A guarantee. 

  • The condition of not being threatened, especially physically, psychologically, emotionally, or financially. 

  • Something that secures. 

  • An organization or department responsible for providing security by enforcing laws, rules, and regulations as well as maintaining order. 

  • Freedom from apprehension. 

  • A tradeable financial asset, such as a share of stock.ᵂ 

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