casserole vs oven

casserole

verb
  • To cook like, or as, a casserole; to stew. 

noun
  • Food, such as a stew, cooked in such a dish. 

  • Food that fills the high-walled dish or pan that it was cooked in. 

  • A dish of glass or earthenware, with a lid, in which food is baked and sometimes served. 

oven

verb
  • To cook in an oven (colloquial and informal usage only) 

noun
  • A chamber used for baking or heating. 

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