-an: American, Canadian, Australian, Russian, German, Indian, Korean, Belgian, Egyptian, Italian, Indonesian, Mexican… 
-ese:Chinese,Vietnamese, Burmese, Portuguese, Japanese....
-ish: British, Spanish, Irish, Turkish, Polish, Swedish, Dannish, Finnish
-i: Iraqi, Kuwaiti, Pakistani
-ic: Icelandic, Arabic
Others: New Zealander, Philippine, French, Swiss, Greek, Dutch