inferiority vs superiority

inferiority

noun
  • An inferior power. 

  • The quality of being a competitive disadvantage. 

  • The quality or state of being inferior. 

  • An inferior value or quality. 

superiority

noun
  • The state of being superior. 

  • The right which the superior enjoys in the land held by the vassal. 

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