prowess vs versatility

prowess

noun
  • Skillfulness and manual ability; adroitness or dexterity. 

  • An act of distinguished bravery or courage; a heroic deed. 

  • Distinguished bravery or courage, especially in battle; heroism. 

  • An act of adroitness or dexterity. 

versatility

noun
  • The property of being versatile or having many different abilities; flexibility. 

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