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
Congo, Democratic Republic of the
noun: Congolese (singular and
plural)
adjective: Congolese or Congo
Congo, Republic of the
noun: Congolese (singular and plural)
adjective: Congolese or Congo
Cook Islands
noun: Cook Islander(s)
adjective: Cook Islander
Costa Rica
noun: Costa Rican(s)
adjective: Costa Rican