decree vs procedural law

decree

noun
  • An edict or law. 

  • The determination of a cause in a court of admiralty or court of probate. 

  • A predetermination made by God; an act of providence. 

  • The judicial decision in a litigated cause rendered by a court of equity. 

verb
  • To command by a decree. 

procedural law

noun
  • The law that comprises the rule by which a court hears and determines what happens in civil or criminal proceedings. 

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