porridge vs serving dish

porridge

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

  • A prison sentence. 

  • Rice porridge; congee. 

  • Oatmeal porridge. 

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

serving dish

noun
  • A plate or dish or platter used to hold food to be served during a meal, but not used in cooking. 

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