collateral vs security

collateral

noun
  • A security or guarantee (usually an asset) pledged for the repayment of a loan if one cannot procure enough funds to repay. 

  • Printed materials or content of electronic media used to enhance sales of products (short form of collateral material). 

  • A thinner blood vessel providing an alternate route to blood flow in case the main vessel becomes occluded. 

  • A branch of a bodily part or system of organs. 

adj
  • Expensive to the extent of being paid through a loan. 

  • Of an indirect ancestral relationship, as opposed to lineal descendency. 

  • Acting in an indirect way. 

  • Parallel, along the same vein, side by side. 

  • Being aside from the main subject, target, or goal. 

  • Relating to a collateral in the sense of an obligation or security. 

  • Corresponding; accompanying, concomitant. 

  • Having the phloem and xylem adjacent. 

  • Coming or directed along the side. 

security

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

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

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

  • 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 collateral and security occurred in a corpus of books? (source: Google Ngram Viewer )