bailie vs boroughmaster

bailie

noun
  • A bailiff. 

  • The chief magistrate of a Scottish barony or part of a county, with functions like a sheriff's. 

  • A municipal officer in Scotland corresponding to an English alderman. 

boroughmaster

noun
  • The mayor, governor, or bailiff of a borough. 

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