congee vs pudding rice

congee

noun
  • A type of thick rice porridge or soup, sometimes prepared with vegetables and/or meat. 

  • Leave, formal permission for some action, (originally and particularly) 

pudding rice

noun
  • a short-grained rice used to make rice pudding; also makes reasonable risotto 

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