extremity vs option

extremity

noun
  • 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”). 

  • An extreme measure. 

option

noun
  • A contract giving the holder the right to buy or sell an asset at a set strike price; can apply to financial market transactions, or to ordinary transactions for tangible assets such as a residence or automobile. 

  • One of a set of choices that can be made. 

  • The freedom or right to choose. 

  • The acquiring or retention of a nationality through personal choice as a right, bypassing selective legal mechanisms for naturalization, especially in cases where a territory is transferred or passed on from one state to another. 

verb
  • To purchase an option on something. 

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