master builder vs mastermind

master builder

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

mastermind

noun
  • A person responsible for the highest level of planning and execution of a major operation. 

  • A person with an extraordinary intellect or skill that is markedly superior to his or her peers. 

verb
  • To act in the role of mastermind. 

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