Heathen vs skeptical

Heathen

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

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

skeptical

adj
  • Of or relating to philosophical skepticism or the skeptics. 

  • Having, or expressing doubt; questioning. 

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