Heathen vs third estate

Heathen

noun

  • An adherent of the Germanic neo-pagan faith of Heathenry. 

adj

  • Pertaining or adhering to the Germanic neo-pagan faith Heathenry. 

third estate

noun

  • The caste of commoners in France prior to 1789. 

  • The House of Commons. 

  • The commoners, collectively, in any society. 

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