declarative vs promulgation

declarative

noun
  • Synonym of declaration (declarative statement) 

adj
  • A way of programming that is most akin to just stating what is wanted, rather than having to describe how to do it. w:Declarative programming 

  • That declares a construct. 

  • Expressing truth. 

  • Serving to declare; having the quality of a declaration. 

promulgation

noun
  • The act of promulgating or announcing something, especially a proclamation announcing a new law. 

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