agreement vs confirmation

agreement

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

  • 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. 

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

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

confirmation

noun
  • An act whereby something conditional or voidable is made sure and unavoidable, especially the possession of an estate. 

  • An official indicator that things will happen as planned. 

  • A ceremony of sealing and conscious acknowledgement of the faith in many Christian churches, typically around the ages of 14 to 18; considered a sacrament in some churches, including Catholicism, but not in most Protestant churches. 

  • A verification that something is true or has happened. 

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