The -I- suffix is Arabic and all the nationality names that end with -i- are Muslim countries except for the Jews in Palestine who created their nationality name using the Arabic suffix. Take a look:
Afghanistani, Azerbaijani, Bahraini, Bangladeshi, Iraqi, Kazakhstani, Kuwaiti, Kyrgyzstani, Omani, Pakistani, Qatari, Saudi, Somali, Tajikistani, Turkmenistani, Emirati, Uzbekistani, Yemeni
and here comes the copycat => Israel+i (hahaha).
linguistics.hK/2008/10/22/so-many-nationality-suffixes/
