break up vs calve

break up

verb
  • To break or separate into pieces. 

  • 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. 

  • 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 cut or take to pieces for scrap. 

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

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

calve

verb
  • to break off 

  • to shed (a large piece, e.g. an iceberg); to set loose (a mass of ice), e.g. a block of ice (coming off an iceberg) 

  • to give birth to (a calf) 

  • to assist in a cow's giving birth to a calf 

  • to shed a large piece, e.g. an iceberg or a smaller block of ice (coming off an iceberg) 

  • to give birth to a calf 

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