confusion vs passivity

confusion

noun
  • A lack of clarity or order. 

  • The act of mistaking one thing for another or conflating distinct things. 

  • The state of being confused; misunderstanding. 

  • Lack of understanding due to dementia. 

passivity

noun
  • A lack of initiative. 

  • The state of being passive. 

  • Submissiveness. 

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