carboy vs teakettle

carboy

noun
  • A large, rigid bottle, originally made of glass and mainly used for fermentation, and now commonly made of plastic and used to store liquids. 

verb
  • To bottle in a carboy. 

teakettle

noun
  • A vessel used to boil water for tea or other hot beverages. 

verb
  • To make a shrill sound like a boiling teakettle. 

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