Déclinaison / Conjugueur latin
| SINGULIER |
| Nom. | perperus |
| Gen. | perperi |
| Dat. | perpero |
| Acc. | perperum |
| Abl. | perpero |
| Voc. | perpere |
| PLURIEL |
| Nom. | perperi |
| Gen. | perperōrum |
| Dat. | perperis |
| Acc. | perperos |
| Abl. | perperis |
| Voc. | perperi |
| SINGULIER |
| Nom. | perperă |
| Gen. | perperae |
| Dat. | perperae |
| Acc. | perperam |
| Abl. | perperā |
| Voc. | perperă |
| PLURIEL |
| Nom. | perperae |
| Gen. | perperārum |
| Dat. | perperis |
| Acc. | perperas |
| Abl. | perperis |
| Voc. | perperae |
| SINGULIER |
| Nom. | perperum |
| Gen. | perperi |
| Dat. | perpero |
| Acc. | perperum |
| Abl. | perpero |
| Voc. | perperum |
| PLURIEL |
| Nom. | perpera |
| Gen. | perperōrum |
| Dat. | perperis |
| Acc. | perpera |
| Abl. | perperis | |