covenant vs piece of paper

covenant

noun
  • A pact or binding agreement between two or more parties. 

  • A promise, incidental to a deed or contract, either express or implied. 

  • An incidental clause in an agreement. 

  • An agreement to do or not do a particular thing. 

verb
  • To enter into, or promise something by, a covenant. 

  • To enter a formal agreement. 

  • To make a stipulation. 

  • To bind oneself in contract. 

piece of paper

noun
  • A marriage certificate. 

  • A single sheet or scrap of paper. 

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