likeliness vs probability

likeliness

noun
  • Likelihood, probability or chance of occurrence; plausibility or believability. 

  • The condition or quality of being probable or likely to occur. 

  • Likeness; similarity. 

  • Suitability; agreeableness. 

probability

noun
  • The state of being probable; likelihood. 

  • A number, between 0 and 1, expressing the precise likelihood of an event happening. 

  • An event that is likely to occur. 

  • The relative likelihood of an event happening. 

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