namazi vs towelhead

namazi

noun
  • a devout Muslim. 

  • a Muslim, especially a bigot or a religious extremist. 

towelhead

noun
  • A member of the Muslims, Arabs, Sikhs, and other groups that traditionally wear headdress such as a turban and keffiyeh or headscarf. 

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