obsequiousness vs self-importance

obsequiousness

noun
  • The quality of being obsequious; servile compliance. 

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 obsequiousness and self-importance occurred in a corpus of books? (source: Google Ngram Viewer )