oatmeal vs parritch

oatmeal

noun
  • A breakfast cereal made from rolled oats, cooked in milk and/or water. 

  • A light greyish brown colour, like that of oatmeal. 

  • Meal made from rolled or round oats. 

adj
  • Of a light greyish brown colour, like that of oatmeal 

parritch

noun
  • Porridge. 

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