Heathen vs idolatrous

Heathen

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

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

idolatrous

adj
  • Partaking in idolatry; worshipping idols or false gods. 

  • Of or pertaining to idolatry. 

  • Used in or designed for idolatry; devoted to idols or idol-worship. 

  • Engaging in excessive attachment or reverence; inordinately or profanely devoted. 

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