flair vs knack

flair

noun
  • A natural or innate talent or aptitude. 

  • Distinctive style or elegance. 

verb
  • To add flair. 

knack

noun
  • A readiness in performance; aptness at doing something. 

  • A petty contrivance; a toy. 

  • Something performed, or to be done, requiring aptness and dexterity. 

verb
  • To speak affectedly. 

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