tass vs teacup

tass

noun
  • A cup or cupful. 

  • An Oriental silk fabric, with gold or silver thread. 

  • Synonym of tasse 

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