amphora vs toby jug

amphora

noun
  • A large vessel, especially a thin-necked clay vat used in ancient Greece and Rome for storing and transporting wine and oil. 

  • A Roman unit of ship capacity, similar to tonnage. 

  • A lower valve of a fruit that opens transversely. 

  • A Roman unit of liquid measure reckoned as the volume of 80 Roman pounds of wine and equivalent to about 26 L although differing slightly over time. 

toby jug

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