injunction vs say-so

injunction

noun
  • That which is enjoined; such as an order, mandate, decree, command, precept. 

  • The act of enjoining; the act of directing, commanding, or prohibiting. 

  • A writ or process, granted by a court of equity, and, in some cases, under statutes, by a court of law, whereby a party is required to do or to refrain from doing certain acts, according to the exigency of the writ. 

say-so

noun
  • Authority, as backing some statement, injunction, or command. 

How often have the words injunction and say-so occurred in a corpus of books? (source: Google Ngram Viewer )