policy vs skill

policy

noun
  • Wise or advantageous conduct; prudence, formerly also with connotations of craftiness. 

  • The grounds of a large country house. 

  • A document containing or certifying this contract. 

  • A principle of behaviour, conduct etc. thought to be desirable or necessary, especially as formally expressed by a government or other authoritative body. 

  • A number pool lottery 

  • A contract of insurance. 

verb
  • To regulate by laws; to reduce to order. 

skill

noun
  • Capacity to do something well; technique, ability. Skills are usually acquired or learned, as opposed to abilities, which are often thought of as innate. 

adj
  • Great, excellent. 

verb
  • To know; to understand. 

  • To have knowledge or comprehension; discern. 

  • To set apart; separate. 

  • To discern; have knowledge or understanding; to know how (to). 

  • To have personal or practical knowledge; be versed or practised; be expert or dextrous. 

  • To spend acquired points in exchange for skills. 

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