idolater vs pagan

idolater

noun
  • One who worships idols; (historical) a pagan. 

pagan

noun
  • A person not adhering to a main world religion; a follower of a pantheistic or nature-worshipping religion. 

  • An uncivilized or unsocialized person. 

  • An unruly, badly educated child. 

adj
  • Relating to, characteristic of religions that differ from main world religions. 

  • Savage, immoral, uncivilized, wild. 

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