decree vs legislate

decree

verb
  • To command by a decree. 

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

  • An edict or law. 

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

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

legislate

verb
  • To pass laws (including the amending or repeal of existing laws). 

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