capernosity vs skill set

capernosity

noun
  • competence, flair 

  • capability and generosity 

  • peevishness, ill temper 

skill set

noun
  • A set of skills. 

  • The skills needed to accomplish a specified task or perform a given function. 

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