chowder vs potage

chowder

noun

  • A thick, creamy soup or stew. 

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

verb

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

potage

noun

  • A thick creamy soup. 

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