extremity vs member

extremity

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

  • The most extreme or furthest point of something. 

  • A hand or foot. 

  • An extreme measure. 

member

noun
  • Part of an animal capable of performing a distinct office; an organ; a limb. 

  • A file stored within an archive file. 

  • the judge or adjudicator in a consumer court. 

  • The penis. 

  • A part of a whole. 

  • One who officially belongs to a group. 

  • An element of a set. 

  • Either of the two parts of an algebraic equation, connected by the equality sign. 

  • A part of a discourse or of a period, sentence, or verse; a clause. 

  • One of the propositions making up a syllogism. 

  • A function or piece of data associated with each separate instance of a class. 

  • friend 

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