datum vs think

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. 

think

noun
  • An act of thinking; consideration (of something). 

verb
  • To ponder, to go over in one's head. 

  • To guess; to reckon. 

  • To communicate to oneself in one's mind, to try to find a solution to a problem. 

  • To be of opinion (that); to consider, judge, regard, or look upon (something) as. 

  • To presume; to venture. 

  • To seem, to appear. 

  • To conceive of something or someone (usually followed by of; infrequently, by on). 

  • To plan; to be considering; to be of a mind (to do something). 

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