circumstance vs volition

circumstance

noun
  • Something which is related to, or in some way affects, a fact or event. 

  • An event; a fact; a particular incident. 

  • Circumlocution; detail. 

  • Condition in regard to worldly estate; state of property; situation; surroundings. 

verb
  • To place in a particular situation, especially with regard to money or other resources. 

volition

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

  • A conscious choice or decision. 

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

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