kettle vs roaster

kettle

noun
  • A vessel or appliance used to boil water for the preparation of hot beverages and other foodstuffs. 

  • An instance of kettling; a group of protesters or rioters confined in a limited area. 

  • A vessel for boiling a liquid or cooking food, usually metal and equipped with a lid. 

  • A kettle hole, sometimes any pothole. 

  • The quantity held by a kettle. 

  • A group of raptors riding a thermal, especially when migrating. 

  • A steam locomotive 

  • A kettledrum. 

verb
  • To contain demonstrators in a confined area. 

  • Of a boiler: to make a whistling sound like the boiling of a kettle, indicative of various types of fault. 

roaster

noun
  • A furnace used in making ball soda. 

  • A hot Jupiter. 

  • A kitchen utensil used for roasting. 

  • An objectionable person; somebody making a fool of themselves. 

  • A chicken, pig, etc. suitable for roasting. 

  • One who roasts or banters, especially as a comedy routine. 

  • One who roasts food. 

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