Protestant vs Puritan

Protestant

noun
  • A member of the Church of England or Church of Ireland, as distinct from Protestant nonconformists or dissenters 

  • A member of any of several Christian denominations which separated from the Roman Catholic Church based on theological or political differences during the Reformation (or in some cases later). 

adj
  • Of or pertaining to several denominations of Christianity that separated from the Roman Catholic Church based on theological or political differences during the Reformation. 

Puritan

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

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