passivity vs self-importance

passivity

noun
  • A lack of initiative. 

  • The state of being passive. 

  • Submissiveness. 

self-importance

noun
  • An exaggerated estimate of one's own importance or merit, especially as manifested by the conduct or manners; self-conceit. 

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