fragility vs indelicacy

fragility

noun
  • Weakness; feebleness. 

  • The condition or quality of being fragile; brittleness; frangibility. 

indelicacy

noun
  • The condition of being indelicate. 

  • An indelicate act or statement. 

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