aptitude vs talent

aptitude

noun
  • Natural ability to acquire knowledge or skill. 

  • The condition of being suitable. 

talent

noun
  • A marked natural ability or skill. 

  • A unit of weight and money used in ancient times in Greece, the Roman Empire, and the Middle East, equal to about 30 to 60 kg in various times and places. 

  • The men or (especially) women of a place or area, judged by their attractiveness. 

  • People of talent, viewed collectively; a talented person. 

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