barmaster vs seneschal

barmaster

noun
  • An officer of the barmote. 

  • A local judge among miners. 

seneschal

noun
  • An officer of the crown in late medieval and early modern France who served as a kind of governor and chief justice of the royal court in Normandy and Languedoc. 

  • A steward, particularly (historical) one in charge of a medieval nobleman's estate. 

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