indivisibility vs undividedness

indivisibility

noun
  • The state of being indivisible. The state incapable of being divided. 

  • An indivisible factor or object. 

undividedness

noun
  • The state or condition of being undivided; unanimity, wholeness. 

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