Déclinaison / Conjugueur latin
| SINGULIER |
| Nom. | opertaneus |
| Gen. | opertanei |
| Dat. | opertaneo |
| Acc. | opertaneum |
| Abl. | opertaneo |
| Voc. | opertanee |
| PLURIEL |
| Nom. | opertanei |
| Gen. | opertaneōrum |
| Dat. | opertaneis |
| Acc. | opertaneos |
| Abl. | opertaneis |
| Voc. | opertanei |
| SINGULIER |
| Nom. | opertaneă |
| Gen. | opertaneae |
| Dat. | opertaneae |
| Acc. | opertaneam |
| Abl. | opertaneā |
| Voc. | opertaneă |
| PLURIEL |
| Nom. | opertaneae |
| Gen. | opertaneārum |
| Dat. | opertaneis |
| Acc. | opertaneas |
| Abl. | opertaneis |
| Voc. | opertaneae |
| SINGULIER |
| Nom. | opertaneum |
| Gen. | opertanei |
| Dat. | opertaneo |
| Acc. | opertaneum |
| Abl. | opertaneo |
| Voc. | opertaneum |
| PLURIEL |
| Nom. | opertanea |
| Gen. | opertaneōrum |
| Dat. | opertaneis |
| Acc. | opertanea |
| Abl. | opertaneis | |