Déclinaison / Conjugueur latin
| SINGULIER |
| Nom. | properus |
| Gen. | properi |
| Dat. | propero |
| Acc. | properum |
| Abl. | propero |
| Voc. | propere |
| PLURIEL |
| Nom. | properi |
| Gen. | properōrum |
| Dat. | properis |
| Acc. | properos |
| Abl. | properis |
| Voc. | properi |
| SINGULIER |
| Nom. | properă |
| Gen. | properae |
| Dat. | properae |
| Acc. | properam |
| Abl. | properā |
| Voc. | properă |
| PLURIEL |
| Nom. | properae |
| Gen. | properārum |
| Dat. | properis |
| Acc. | properas |
| Abl. | properis |
| Voc. | properae |
| SINGULIER |
| Nom. | properum |
| Gen. | properi |
| Dat. | propero |
| Acc. | properum |
| Abl. | propero |
| Voc. | properum |
| PLURIEL |
| Nom. | propera |
| Gen. | properōrum |
| Dat. | properis |
| Acc. | propera |
| Abl. | properis | |