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

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

Djibouti
noun: Djiboutian(s)
adjective: Djiboutian

Dominica
noun: Dominican(s)
adjective: Dominican

Dominican Republic
noun: Dominican(s)
adjective: Dominican

East Timor
noun: Timorese
adjective: Timorese

Ecuador
noun: Ecuadorian(s)
adjective: Ecuadorian

Egypt
noun: Egyptian(s)
adjective: Egyptian

El Salvador
noun: Salvadoran(s)
adjective: Salvadoran

Equatorial Guinea
noun: Equatorial Guinean(s) or Equatoguinean(s)
adjective: Equatorial Guinean or Equatoguinean

Eritrea
noun: Eritrean(s)
adjective: Eritrean

Estonia
noun: Estonian(s)
adjective: Estonian

Ethiopia
noun: Ethiopian(s)
adjective: Ethiopian

Falkland Islands (Islas Malvinas)
noun: Falkland Islander(s)
adjective: Falkland Island

Faroe Islands
noun: Faroese (singular and plural)
adjective: Faroese

Fiji
noun: Fijian(s)
adjective: Fijian

Finland
noun: Finn(s)
adjective: Finnish

France
noun: Frenchman(men), Frenchwoman(women)
adjective: French

French Guiana
noun: French Guianese (singular and plural)
adjective: French Guianese

French Polynesia
noun: French Polynesian(s)
adjective: French Polynes