| Termen/ Term | Nr. apariții/ No. occurrences |
| CARPEN | 5 |
| CARPIAN | 1 |
| CARTOF | 2 |
| CASTEROPOD | 1 |
| CASTORUL CANADIAN | 1 |
| CASTORUL EUROPEAN | 1 |
| CASTRAVETE DE MARE | 21 |
| CASTRAVETE DE MARE. | 1 |
| CASTRAVETE-DE-MARE | 2 |
| CATALIGA | 7 |
| CATELUS ROZATOR | 1 |
| CATELUSUL ROZATOR | 1 |
| CATINA DE GARDURI | 6 |
| CATINA MICA | 3 |
| CATUSE | 4 |
| CEAPA CIOREASCA | 1 |
| CEAPA CIORII | 1 |
| CEAPA DE MUNTE | 1 |
| CEFALOCORDAT | 1 |
| CEFALOPOD | 35 |
| CEGA | 1 |
| CELENTERAT | 28 |
| CELENTERAT HIDROZOAR | 3 |
| CER | 1 |
| CERB | 2 |
| CERB (CERB CARPATIN | 2 |
| CERB (CERB COMUN | 9 |
| CERB (TAUR) - TROFEU | 3 |
| CERB (TAUR)-TROFEU | 1 |
| CERBUL | 2 |
| CERBUL CU COADA ALBA | 1 |
| CERBUL INDIAN PATAT | 1 |
| CERBUL LOPATAR | 2 |
| CERBUL MALAYEZ | 2 |
| CERBUL MOSCAT | 1 |
| CERBUL PATAT | 1 |
| CERENTEL | 8 |
| CERIANTAR | 1 |
| CERNIOLA | 1 |
| CERNUSCA | 1 |
| CERVICALE 3-7 | 2 |
| CERVICALE III-VII | 1 |
| CETINA DE NEGI | 10 |
| CHILOPOD | 37 |
| CHIMEN | 11 |
| CHIMIONUL PORCULUI | 4 |
| CHIRA NEAGRA | 7 |
| CHIRA-DE-MARE | 3 |
| CHIRIGHITA ARIPI ALBE | 4 |
| CHIRIGHITA NEAGRA | 9 |