chafing dish vs poacher

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. 

poacher

noun
  • A vessel with shallow cuplike compartments in which eggs are cooked over boiling water 

  • A person who trespasses in order to take game illegally, one who poaches; a person who illegally takes animals or plants from the wild. 

  • Any of type of fish in the family Agonidae, also known as alligatorfish, starsnout, hooknose and rockhead. 

  • An attacker with good movement inside the penalty box, see Wikipedia:Goal poacher. 

  • The American wigeon. 

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