airs vs modesty

airs

noun
  • An affected manner intended to impress others. 

modesty

noun
  • Moderate behaviour; reserve. 

  • Pudency, avoidance of sexual explicitness. 

  • The quality of being modest; having a limited and not overly high opinion of oneself and one's abilities. 

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