billycan vs food bowl

billycan

noun
  • A lightweight pot for cooking or boiling water, used in camping. 

food bowl

noun
  • A bowl that is used to serve food, especially to pets. 

  • A region that has the conditions required to produce a large amount of food; a breadbasket. 

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