house of detention vs porridge

house of detention

noun
  • A prison, especially a temporary one. 

porridge

noun
  • A prison sentence. 

  • Rice porridge; congee. 

  • Oatmeal porridge. 

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

  • 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 house of detention and porridge occurred in a corpus of books? (source: Google Ngram Viewer )