collateral vs primary

collateral

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

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

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

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

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. 

primary

noun
  • A base or fundamental component; something that is irreducible. 

  • A directly driven inductive coil, as in a transformer or induction motor that is magnetically coupled to a secondary 

  • A primary school. 

  • A primary election; a preliminary election to select a political candidate of a political party. 

  • A radar return from an aircraft (or other object) produced solely by the reflection of the radar beam from the aircraft's skin, without additional information from the aircraft's transponder. 

  • Any flight feather attached to the manus (hand) of a bird. 

  • The most massive component of a gravitationally bound system, such as a planet in relation to its satellites. 

  • The first year of grade school. 

  • A primary colour. 

  • Primary site of disease; original location or source of the disease. 

  • The first stage of a thermonuclear weapon, which sets off a fission explosion to help trigger a fusion reaction in the weapon's secondary stage. 

verb
  • To challenge (an incumbent sitting politician) for their political party's nomination to run for re-election, through running a challenger campaign in a primary election, especially one that is more ideologically extreme. 

  • To take part in a primary election. 

adj
  • Earliest formed; fundamental. 

  • first or earliest in a group or series. 

  • main; principal; chief; placed ahead of others. 

  • Relating to day-to-day care provided by health professionals such as nurses, general practitioners, dentists etc. 

  • Relating to the place where a disorder or disease started to occur. 

  • Illustrating, possessing, or characterized by, some quality or property in the first degree; having undergone the first stage of substitution or replacement. 

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