| Termen/ Term | Nr. apariții/ No. occurrences |
| CUFUNDAR MARE | 1 |
| CUFUNDAR POLAR | 4 |
| CUIBOTICA CUCULUI | 1 |
| CUISOARE | 1 |
| CUISORITA | 10 |
| CUJDA | 4 |
| CUJMAREA DE MUNTE | 1 |
| CULBECEASA | 4 |
| CULBECEASA RIGIDA | 1 |
| CULIC | 2 |
| CULIC CIOC SUBTIRE | 1 |
| CULIC MARE | 7 |
| CULIC MIC | 2 |
| CUNUNITA | 1 |
| CUPA | 13 |
| CUPA OII | 2 |
| CUPA VACII | 5 |
| CUPE | 3 |
| CUPE MARI | 1 |
| CURCAN | 1 |
| CURPEN | 5 |
| CURPEN DE MUNTE | 3 |
| CURPEN DE PADURE | 1 |
| CACADU CU BONETA ROSIE | 1 |
| CADELNITA | 10 |
| CAFELUTE | 1 |
| CAGUANG | 1 |
| CAIMAN | 1 |
| CAIS | 2 |
| CAIS SALBATIC | 1 |
| CAL | 1,080 |
| CALA | 1 |
| CALCANEU | 5 |
| CALCANEU DREPT | 24 |
| CALCANEU STING | 34 |
| CALCAR | 9 |
| CALCEA CALULUI | 4 |
| CALCIT | 23 |
| CALCITA | 3 |
| CALCOPIRITA | 2 |
| CALDARUSA | 23 |
| CALIFAR | 1 |
| CALIFAR ALB | 9 |
| CALIFAR ROSU | 2 |
| CALIN | 3 |
| CALMAR | 1 |
| CALONG | 1 |
| CALTUNUL DOAMNEI | 2 |
| CALUGARITA | 1 |
| CALUT DE MARE | 3 |