datum vs member

datum

noun
  • A premise from which conclusions are drawn. 

  • A floating reference point, or SLDMB, used to evaluate surface currents in a body of water. Often employed by coastal search and rescue. 

  • A fixed reference point or set of reference points which precisely define a system of measurement or a coordinate system. 

  • A fact known from direct observation. 

verb
  • To provide missing data points by using a mathematical model to extrapolate values that are outside the range of a measuring device. 

member

noun
  • One of the propositions making up a syllogism. 

  • A file stored within an archive file. 

  • the judge or adjudicator in a consumer court. 

  • The penis. 

  • A part of a whole. 

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

  • 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. 

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

  • friend 

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