Cape Verde
noun: Cape Verdean(s)
adjective: Cape Verdean
Cayman Islands
noun: Caymanian(s)
adjective: Caymanian
Central African Republic
noun: Central African(s)
adjective: Central African
Chad
noun: Chadian(s)
adjective: Chadian
Chile
noun: Chilean(s)
adjective: Chilean
China
noun: Chinese (singular and plural)
adjective: Chinese
Christmas Island
noun: Christmas Islander(s)
adjective: Christmas Island
Cocos (Keeling) Islands
noun: Cocos Islander(s)
adjective: Cocos Islander
Colombia
noun: Colombian(s)
adjective: Colombian
Comoros
noun: Comoran(s)
adjective: Comoran