cleverness vs flair

cleverness

noun

  • The property of being clever. 

  • Something clever, or done cleverly. 

flair

noun

  • A natural or innate talent or aptitude. 

  • Distinctive style or elegance. 

verb

  • To add flair. 

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