break up vs guarantee

break up

verb
  • To cut or take to pieces for scrap. 

  • To end a (usually romantic or sexual) relationship with each other. 

  • Of a conversation, to cease to be understandable because of a bad connection; of a signal, to deteriorate. 

  • To dissolve; to part. 

  • To break or separate into pieces. 

  • Become disorganised 

  • Of a school, to close for the holidays at the end of term. 

  • be or cause to be overcome with laughter 

  • To end a (usually romantic or sexual) relationship. 

  • To stop a fight; to separate people who are fighting. 

  • To break or separate into pieces; to disintegrate or come apart. 

  • To upset greatly; to cause great emotional disturbance or unhappiness. 

guarantee

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

  • To make something certain. 

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

noun
  • 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. 

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

  • Anything that assures a certain outcome. 

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