mason vs master builder

mason

noun
  • A bricklayer, one whose occupation is to build with stone or brick 

  • One who prepares stone for building purposes. 

  • A member of the fraternity of Freemasons. See Freemason. 

verb
  • To build stonework or brickwork about, under, in, over, etc.; to construct by masons 

master builder

noun
  • A person who is adept at overseeing the construction a building using the plans drawn by an architect 

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