parts vs string to one's bow

parts

noun
  • Intellectual ability or learning. 

  • Vicinity, region. 

  • The genitals, short for private parts. 

string to one's bow

noun
  • A skill, ability or resource. 

  • A lover, paramour or suitor. 

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