Puritan vs Quaker

Puritan

noun
  • A member of a particular Protestant religious sect advocating greater purity and piety. 

Quaker

noun
  • A believer of the Quaker faith and a member of the Society of Friends, known for their pacifist views. 

  • One who plays any Quake games. 

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