shot-glass vs winecup

shot-glass

noun
  • A vessel of about 30ml volume, used for the measurement of spirituous liquors. 

winecup

noun
  • A vessel from which wine is drunk. 

  • The consumption of alcohol; drinking; alcohol as a drink. 

How often have the words shot-glass and winecup occurred in a corpus of books? (source: Google Ngram Viewer )