assumptio vs dictum

assumptio

noun
  • The introduction of a proposition into a speech, especially an extraneous one. 

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. 

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