inferiority vs superiorness

inferiority

noun
  • The quality of being a competitive disadvantage. 

  • The quality or state of being inferior. 

  • An inferior power. 

  • An inferior value or quality. 

superiorness

noun
  • The state or quality of being superior. 

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