builder's mug vs tass

builder's mug

noun
  • A large ceramic mug for hot drinks. 

  • A unit of volumetric measure equivalent to the typical builder's mug, around 1/2-pint (10 oz.; 300 cc; 300 mL; 30 cL; 1 cup) 

tass

noun
  • A cup or cupful. 

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

  • Synonym of tasse 

How often have the words builder's mug and tass occurred in a corpus of books? (source: Google Ngram Viewer )