buro vs butlery

buro

noun
  • a chest of drawers for clothes 

  • a desk, usually with a cover and compartments for storing papers etc. located above the level of the writing surface rather than underneath. 

  • an office 

butlery

noun
  • butler's pantry; serving pantry 

  • The work or role of a butler. 

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