dictum vs middle name

dictum

noun
  • An authoritative statement; a dogmatic saying; a maxim, an apothegm. 

  • The report of a judgment made by one of the judges who has given it. 

  • An arbitrament or award. 

  • A judicial opinion expressed by judges on points that do not necessarily arise in the case, and are not involved in it. 

middle name

noun
  • A trait, activity, or action closely associated with or aptly describing a person. 

  • A name between the first given name and the family name or surname; a second or subsequent given name. 

  • One's mother's maiden name. 

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