deemster vs law lord

deemster

noun
  • A judge; one who pronounces sentence or doom. 

law lord

noun
  • A judge of the Court of Session. 

  • One of the Lords of Appeal in Ordinary, a group of judges appointed under the Appellate Jurisdiction Act 1876 to the British House of Lords in order to exercise its judicial function. 

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