Déclinaison / Conjugueur latin
| SINGULIER |
| Nom. | Perusinus |
| Gen. | Perusini |
| Dat. | Perusino |
| Acc. | Perusinum |
| Abl. | Perusino |
| Voc. | Perusine |
| PLURIEL |
| Nom. | Perusini |
| Gen. | Perusinōrum |
| Dat. | Perusinis |
| Acc. | Perusinos |
| Abl. | Perusinis |
| Voc. | Perusini |
| SINGULIER |
| Nom. | Perusină |
| Gen. | Perusinae |
| Dat. | Perusinae |
| Acc. | Perusinam |
| Abl. | Perusinā |
| Voc. | Perusină |
| PLURIEL |
| Nom. | Perusinae |
| Gen. | Perusinārum |
| Dat. | Perusinis |
| Acc. | Perusinas |
| Abl. | Perusinis |
| Voc. | Perusinae |
| SINGULIER |
| Nom. | Perusinum |
| Gen. | Perusini |
| Dat. | Perusino |
| Acc. | Perusinum |
| Abl. | Perusino |
| Voc. | Perusinum |
| PLURIEL |
| Nom. | Perusina |
| Gen. | Perusinōrum |
| Dat. | Perusinis |
| Acc. | Perusina |
| Abl. | Perusinis | |