porridge vs rice pudding

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. 

rice pudding

noun
  • A milk pudding made from rice, milk, sugar and nutmeg. 

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