decree vs institute

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. 

institute

verb
  • To nominate; to appoint. 

  • To invest with the spiritual charge of a benefice, or the care of souls. 

  • To begin or initiate (something); to found. 

noun
  • An organization founded to promote a cause 

  • The person to whom an estate is first given by destination or limitation. 

  • An institution of learning; a college, especially for technical subjects 

  • The building housing such an institution 

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