chalk out vs mastermind

chalk out

verb
  • to make (plans); to sketch 

  • Of a multi-race wager, to lose to the favorite in all of the remaining races. 

  • To draw or write down using chalk 

mastermind

verb
  • To act in the role of 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. 

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