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

Cote d'Ivoire
noun: Ivoirian(s)
adjective: Ivoirian

Croatia
noun: Croat(s), Croatian(s)
adjective: Croatian

Cuba
noun: Cuban(s)
adjective: Cuban

Cyprus
noun: Cypriot(s)
adjective: Cypriot

Czech Republic
noun: Czech(s)
adjective: Czech

Denmark
noun: Dane(s)
adjective: Danish