capernosity vs string to one's bow

capernosity

noun
  • competence, flair 

  • capability and generosity 

  • peevishness, ill temper 

string to one's bow

noun
  • A skill, ability or resource. 

  • A lover, paramour or suitor. 

How often have the words capernosity and string to one's bow occurred in a corpus of books? (source: Google Ngram Viewer )