chafing dish vs gallipot

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. 

gallipot

noun
  • A small, glazed earthenware jar once used by apothecaries for holding medicine and ointment. 

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