| Termen/ Term | Nr. aparižii/ No. occurrences |
| 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 |
| COTEANA | 8 |
| COTMEANA | 1 |
| COTU-VAMES | 1 |
| COTUSCA | 4 |
| COVASNA | 1 |
| COZMA | 1 |
| COZMENI | 3 |
| CRACALUL NEGRU | 1 |
| CRACAOANI | 10 |
| CRACAUANI | 2 |
| CRACAUL NEGRU | 1 |
| CRACAUL-NEGRU | 3 |
| CRACIUNESTI | 24 |
| CRACOANI | 1 |
| CRAGUESTI | 1 |
| CRASANI | 2 |
| CRASNA LEUCA | 2 |
| CRASNALEUCA | 1 |
| CREACA | 1 |
| CRETA | 1 |
| CRETESTI | 1 |
| CREVEDIA | 1 |
| CRICAU | 15 |