Koran thumper vs Muslim

Koran thumper

noun

  • a Muslim fundamentalist, or a zealous Muslim. 

Muslim

noun

  • A person who is a follower and believer of Islam. 

adj

  • Being or relating to a believer of Islam. 

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