volition vs wheel of fortune

volition

noun
  • A conscious choice or decision. 

  • The mental power or ability of choosing; the will. 

  • A concept that distinguishes whether or not the subject or agent intended something. 

wheel of fortune

noun
  • The wheel of Fortune. 

  • A gambling or lottery device consisting of a wheel which is spun horizontally in order to determine, by its stopping position, whether the gambler will receive one of the prizes marked around its circumference. 

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