loving cup vs teacup

loving cup

noun
  • A large cup with two or more handles, passed around for all to drink from; a ceremonial version of such a cup awarded as a trophy. 

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. 

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