intelligence vs skill

intelligence

noun
  • Capacity of mind, especially to understand principles, truths, facts or meanings, acquire knowledge, and apply it to practice; the ability to comprehend and learn. 

  • The quality of making use or having made use of such capacities: depth of understanding, mental quickness. 

  • Information, often secret, about an enemy or about hostile activities. 

  • A political or military department, agency or unit designed to gather information, usually secret, about the enemy or about hostile activities. 

  • An entity that has such capacities. 

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 intelligence and skill occurred in a corpus of books? (source: Google Ngram Viewer )