associate's degree vs licentiate

associate's degree

noun
  • An academic degree awarded after the equivalent of approximately two years of college education, usually by community colleges. 

licentiate

noun
  • A person who holds the academic degree of license. 

  • One who has a licence to exercise a profession. 

  • One who acts without restraint, or takes a liberty. 

  • A friar authorized to receive confessions and grant absolution in all places, independently of the local clergy. 

How often have the words associate's degree and licentiate occurred in a corpus of books? (source: Google Ngram Viewer )