allowability vs decree

allowability

noun
  • The state of being allowable; legitimacy; permissibleness. 

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. 

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