Déclinaison / Conjugueur latin
| SINGULIER |
| Nom. | Megalesiacus |
| Gen. | Megalesiaci |
| Dat. | Megalesiaco |
| Acc. | Megalesiacum |
| Abl. | Megalesiaco |
| Voc. | Megalesiace |
| PLURIEL |
| Nom. | Megalesiaci |
| Gen. | Megalesiacōrum |
| Dat. | Megalesiacis |
| Acc. | Megalesiacos |
| Abl. | Megalesiacis |
| Voc. | Megalesiaci |
| SINGULIER |
| Nom. | Megalesiacă |
| Gen. | Megalesiacae |
| Dat. | Megalesiacae |
| Acc. | Megalesiacam |
| Abl. | Megalesiacā |
| Voc. | Megalesiacă |
| PLURIEL |
| Nom. | Megalesiacae |
| Gen. | Megalesiacārum |
| Dat. | Megalesiacis |
| Acc. | Megalesiacas |
| Abl. | Megalesiacis |
| Voc. | Megalesiacae |
| SINGULIER |
| Nom. | Megalesiacum |
| Gen. | Megalesiaci |
| Dat. | Megalesiaco |
| Acc. | Megalesiacum |
| Abl. | Megalesiaco |
| Voc. | Megalesiacum |
| PLURIEL |
| Nom. | Megalesiaca |
| Gen. | Megalesiacōrum |
| Dat. | Megalesiacis |
| Acc. | Megalesiaca |
| Abl. | Megalesiacis | |