fitfulness vs randomness

fitfulness

noun
  • The quality of being fitful. 

randomness

noun
  • The property of all possible outcomes being equally likely. 

  • A measure of the lack of purpose, logic, or objectivity of an event. 

  • A type of circumstance or event that is described by a probability distribution. 

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