agreement vs unification

agreement

noun
  • An understanding between entities to follow a specific course of conduct. 

  • Rules that exist in many languages that force some parts of a sentence to be used or inflected differently depending on certain attributes of other parts. 

  • A legally binding contract enforceable in a court of law. 

  • A state whereby several parties share a view or opinion; the state of not contradicting one another. 

unification

noun
  • The act of unifying. 

  • Given two terms, their join with respect to a specialisation order. 

  • The state of being unified. 

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