masterminder vs phenomenon

masterminder

noun
  • One who masterminds; a planner of a complex operation. 

phenomenon

noun
  • A wonderful or very remarkable person or thing. 

  • An experienced object whose constitution reflects the order and conceptual structure imposed upon it by the human mind (especially by the powers of perception and understanding). 

  • A thing or being, event or process, perceptible through senses; or a fact or occurrence thereof. 

  • A knowable thing or event (eg by inference, especially in science) 

  • A kind or type of phenomenon (sense 1 or 2) 

  • A fact or event considered very unusual, curious, or astonishing by those who witness it. 

  • Appearance; a perceptible aspect of something that is mutable. 

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