nig-nog vs non-Muslim

nig-nog

noun

  • A foolish person; hence, a raw and unskilled recruit. 

  • A person of color, especially, a black person. 

non-Muslim

noun

  • One who is not a Muslim. 

adj

  • Not Muslim. 

How often have the words nig-nog and non-Muslim occurred in a corpus of books? (source: Google Ngram Viewer )