| Termen/ Term | Nr. aparižii/ No. occurrences |
| COMANA | 18 |
| COMANA DE JOS | 1 |
| COMANESTI | 4 |
| COMANI | 1 |
| COMARNA | 4 |
| COMISANI | 2 |
| COMLOSU MARE | 1 |
| CONCESTI | 4 |
| CONOP | 9 |
| CONSTANTA | 2 |
| COPACEL | 1 |
| COPACELE | 1 |
| COPALAU | 4 |
| COPALNIC BANASTUR | 1 |
| COPALNIC MANASTUR | 16 |
| COPALNIC-MANASTUR | 9 |
| COPLAN | 2 |
| CORABIA | 2 |
| CORBASCA | 12 |
| CORBEASCA | 5 |
| CORBENI | 2 |
| CORBESTI | 5 |
| CORBI | 43 |
| CORBU | 36 |
| CORCOVA | 20 |
| CORCOVA:MH | 1 |
| CORDUN | 1 |
| CORNATEL | 4 |
| CORNEREVA | 16 |
| CORNESTI | 6 |
| CORNI | 15 |
| CORNU LUNCII | 6 |
| COROIENI | 3 |
| COROIESTI | 2 |
| CORPADEA | 1 |
| CORUMD | 3 |
| CORUNA | 1 |
| Corund | 94 |
| CORUND:HR | 1 |
| COSEIU | 1 |
| COSESTI | 1 |
| COSIMBESTI | 4 |
| COSMESTI | 1 |
| COSNA | 2 |
| COSOVENI | 1 |
| COSTEI | 5 |
| COSTEIU | 36 |
| COSTESTI | 9 |
| COSTISA | 1 |
| COSULA | 2 |