word | | Country name |
| Commonwealth | Northern Mariana Islands | conventional long form: Commonwealth of the Northern Mariana Islands conventional short form: Northern Mariana Islands abbreviation: CNMI former: Trust Territory of the Pacific Islands, Mariana Islands District |
| Commonwealth | Puerto Rico | conventional long form: Commonwealth of Puerto Rico conventional short form: Puerto Rico |
| community | Cyprus | ... local long form: Kypriaki Dimokratia/Kibris Cumhuriyeti local short form: Kypros/Kibris note: the Turkish Cypriot community, which administers the northern part of the island, refers to itself as the "Turkish Republic ... |
| Comores | Comoros | conventional long form: Union of the Comoros conventional short form: Comoros local long form: Union des Comores local short form: Comores |
| Comoros | Comoros | conventional long form: Union of the Comoros conventional short form: Comoros local long form: Union des Comores local short form: Comores |
| Confederation | Switzerland | conventional long form: Swiss Confederation conventional short form: Switzerland local long form: Schweizerische Eidgenossenschaft (German); Confederation Suisse (French); Confederazione Svizzera (Italian); Confederaziun Svizra (Romansh) local short form: Schweiz (German); Suisse (French); Svizzera ... |
| Confederazione | Switzerland | ... form: Swiss Confederation conventional short form: Switzerland local long form: Schweizerische Eidgenossenschaft (German); Confederation Suisse (French); Confederazione Svizzera (Italian); Confederaziun Svizra (Romansh) local short form: Schweiz (German); Suisse (French); Svizzera (Italian); Svizra ... |
| Confederaziun | Switzerland | ... Swiss Confederation conventional short form: Switzerland local long form: Schweizerische Eidgenossenschaft (German); Confederation Suisse (French); Confederazione Svizzera (Italian); Confederaziun Svizra (Romansh) local short form: Schweiz (German); Suisse (French); Svizzera (Italian); Svizra (Romansh |
| Cong | Vietnam | conventional long form: Socialist Republic of Vietnam conventional short form: Vietnam local long form: Cong Hoa Xa Hoi Chu Nghia Viet Nam local short form: Viet Nam abbreviation: SRV |