agreement vs guarantee

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. 

guarantee

noun
  • More specifically, a written declaration that a certain product will be fit for a purpose and work correctly; a warranty 

  • The person to whom a guarantee is made. 

  • A person who gives such a guarantee; a guarantor. 

  • A legal assurance of something, e.g. a security for the fulfillment of an obligation. 

  • Anything that assures a certain outcome. 

verb
  • To make something certain. 

  • To give an assurance that something will be done right. 

  • To assume or take responsibility for a debt or other obligation. 

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