freethinking vs indulgent

freethinking

noun
  • The principles of a freethinker; free thought 

indulgent

adj
  • Disposed or prone to indulge, humor, gratify, or yield to one's own or another's desires, etc., or to be compliant, lenient, or forbearing; 

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