Burundi
noun: Burundian(s)
adjective: Burundian

Cambodia
noun: Cambodian(s)
adjective: Cambodian

Cameroon
noun: Cameroonian(s)
adjective: Cameroonian

Canada
noun: Canadian(s)
adjective: Canadian

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