Déclinaison / Conjugueur latin
| SINGULIER |
| Nom. | Isiacus |
| Gen. | Isiaci |
| Dat. | Isiaco |
| Acc. | Isiacum |
| Abl. | Isiaco |
| Voc. | Isiace |
| PLURIEL |
| Nom. | Isiaci |
| Gen. | Isiacōrum |
| Dat. | Isiacis |
| Acc. | Isiacos |
| Abl. | Isiacis |
| Voc. | Isiaci |
| SINGULIER |
| Nom. | Isiacă |
| Gen. | Isiacae |
| Dat. | Isiacae |
| Acc. | Isiacam |
| Abl. | Isiacā |
| Voc. | Isiacă |
| PLURIEL |
| Nom. | Isiacae |
| Gen. | Isiacārum |
| Dat. | Isiacis |
| Acc. | Isiacas |
| Abl. | Isiacis |
| Voc. | Isiacae |
| SINGULIER |
| Nom. | Isiacum |
| Gen. | Isiaci |
| Dat. | Isiaco |
| Acc. | Isiacum |
| Abl. | Isiaco |
| Voc. | Isiacum |
| PLURIEL |
| Nom. | Isiaca |
| Gen. | Isiacōrum |
| Dat. | Isiacis |
| Acc. | Isiaca |
| Abl. | Isiacis | |