hajji vs raghead

hajji

noun
  • A Muslim or Arab. 

  • a Muslim who has participated in a hajj. 

raghead

noun
  • A Muslim, Arab, Hindu, Sikh, Indian or member of any group that traditionally wears a headdress such as a turban, keffiyeh or headscarf. 

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