chowder vs porridge

chowder

noun
  • A thick, creamy soup or stew. 

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

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

porridge

noun
  • A type of thick soup or stew, especially thickened with barley. 

  • A prison sentence. 

  • Rice porridge; congee. 

  • Oatmeal porridge. 

  • A dish made of grain or legumes, milk and/or water, heated and stirred until thick and typically eaten for breakfast. 

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