extremity vs margin

extremity

noun
  • An extreme measure. 

  • The most extreme or furthest point of something. 

  • A hand or foot. 

  • A limb (“major appendage of a human or animal such as an arm, leg, or wing”). 

margin

noun
  • margin of victory 

  • A permissible difference; allowing some freedom to move within limits. 

  • The edge or border of any flat surface. 

  • The yield or profit; the selling price minus the cost of production. 

  • That which is ancillary; periphery. 

  • The edge defining inclusion in or exclusion from a set or group. 

  • The edge of the paper, typically left blank when printing but sometimes used for annotations etc. 

  • A difference or ratio between results, characteristics, scores. 

  • Collateral security deposited with a broker, to compensate the broker in the event of loss in the speculative buying and selling of stocks, commodities, etc. 

verb
  • To enter (notes etc.) into the margin. 

  • To trade (securities etc.) on margin (collateral). 

  • To add a margin to. 

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