advice vs datum

advice

noun
  • An opinion offered to guide behavior in an effort to be helpful. 

  • A communication providing information, such as how an uncertain area of law might apply to possible future actions 

  • Counseling to perform a specific legal act. 

  • In commercial language, information communicated by letter; used chiefly in reference to drafts or bills of exchange 

  • In language about financial transactions executed by formal documents, an advisory document. 

  • Counseling to perform a specific illegal act. 

  • In aspect-oriented programming, the code whose execution is triggered when a join point is reached. 

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. 

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