freethinker vs pantheist

freethinker

noun
  • A person who has formed his or her opinions using reason and rational enquiry; somebody who has rejected dogma, especially with regard to religion. 

pantheist

noun
  • A person who believes in pantheism. 

adj
  • Of or relating to pantheism. 

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