teacup vs teakettle

teacup

noun
  • A small cup, usually with a handle, commonly used for drinking tea; normally sits in a saucer as part of a tea set. 

  • A unit of measure; a teacupful. 

adj
  • Of an animal, smaller than average. 

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 teacup and teakettle occurred in a corpus of books? (source: Google Ngram Viewer )