borscht vs chowder

borscht

noun
  • Any similar sour soup made of other ingredients such as sorrel, cabbage, hogweed 

  • A beetroot soup that can be served hot or cold, usually with sour cream. 

chowder

noun
  • A thick, creamy soup or stew. 

  • A stew, particularly fish or seafood, not necessarily thickened. 

verb
  • To make (seafood, etc.) into chowder. 

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