cupbearer vs cupper

cupbearer

noun
  • One who ceremonially fills and hands out the cups in which a drink is served. 

cupper

noun
  • A coffee aficionado. 

  • An intercollegiate sporting competition, open to all colleges. 

  • Someone with a specific bra size. 

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