| Termen/ Term | Nr. apariții/ No. occurrences |
| CREATA | 1 |
| CREIER DE DELFIN | 1 |
| CREIER SI CEREBEL | 1 |
| CRESTATEA | 3 |
| CRESTELUTUL PESTRIT | 1 |
| CRESTET | 3 |
| CRESTET MIC | 3 |
| CRESTET PESTRIT | 7 |
| CRETISOARE | 1 |
| CRETISOR | 11 |
| CRETISOR DE MUNTE | 1 |
| CRETUSCA | 1 |
| CREVETA DE NISIP | 1 |
| CRIN ALB | 1 |
| CRIN DE BALTA | 13 |
| CRIN DE MUNTE | 1 |
| CRIN DE PADURE | 10 |
| CRIN REGAL | 1 |
| CRISOPA | 1 |
| CRISTEL | 5 |
| CRISTEL DE CIMP | 3 |
| CRISTEL DE IARNA | 1 |
| CRISTEL-DE-CIMP | 3 |
| CROCODIL | 1 |
| CROCODIL DE NIL | 2 |
| CROITOR | 10 |
| CRUCEA VOINICULUI | 12 |
| CRUCIULITA | 8 |
| CRUSATEA | 3 |
| CRUSIN | 3 |
| CU BUZA DE IEPURE | 1 |
| CU PICIOARE LUNGI | 1 |
| CU VOAL | 1 |
| CUART | 31 |
| CUBITUS | 1 |
| CUBITUS DREPT | 2 |
| CUBITUS STING | 1 |
| CUBOID | 1 |
| CUC | 21 |
| CUCURUZ DE MUNTE | 1 |
| CUCUTA | 3 |
| CUCUTA DE PADURE | 1 |
| CUCUVEA | 51 |
| CUDU MARE | 1 |
| CUFUNDAC | 1 |
| CUFUNDAC GUSA-ROSIE | 1 |
| CUFUNDAC POLAR | 10 |
| CUFUNDAR | 2 |
| CUFUNDAR GUSA ROSIE | 3 |
| CUFUNDAR GUSA-ROSIE | 1 |