chafing dish vs cooking utensil

chafing dish

noun
  • Any of several devices, involving a pan and a heater, used to warm food at the table, or to keep it warm. 

cooking utensil

noun
  • Any utensil used for preparing, handling, or serving food. 

How often have the words chafing dish and cooking utensil occurred in a corpus of books? (source: Google Ngram Viewer )