President vs decree

President

noun
  • An honorific for the head of state of a republic; see president (definition 1). 

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. 

verb
  • To command by a decree. 

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