break out vs calve

break out

verb
  • To take or force out by breaking. 

  • To bring out from storage, use, or present. 

  • To rescue someone or aid their escape as in sense 1 

  • Of a record: to achieve success. 

  • To escape, especially forcefully or defiantly. Notionally, to escape by breaking. 

  • To separate from a bundle. 

  • To suddenly get pimples or a rash, especially on one's face. 

  • To begin suddenly; to emerge in a certain condition. 

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 out and calve occurred in a corpus of books? (source: Google Ngram Viewer )