calve vs dwindle

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 

dwindle

verb
  • To break up or disperse. 

  • To decrease, shrink, diminish, reduce in size or intensity. 

  • To lessen; to bring low. 

  • To fall away in quality; degenerate, sink. 

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