Déclinaison / Conjugueur latin
| SINGULIER |
| Nom. | senectus |
| Gen. | senecti |
| Dat. | senecto |
| Acc. | senectum |
| Abl. | senecto |
| Voc. | senecte |
| PLURIEL |
| Nom. | senecti |
| Gen. | senectōrum |
| Dat. | senectis |
| Acc. | senectos |
| Abl. | senectis |
| Voc. | senecti |
| SINGULIER |
| Nom. | senectă |
| Gen. | senectae |
| Dat. | senectae |
| Acc. | senectam |
| Abl. | senectā |
| Voc. | senectă |
| PLURIEL |
| Nom. | senectae |
| Gen. | senectārum |
| Dat. | senectis |
| Acc. | senectas |
| Abl. | senectis |
| Voc. | senectae |
| SINGULIER |
| Nom. | senectum |
| Gen. | senecti |
| Dat. | senecto |
| Acc. | senectum |
| Abl. | senecto |
| Voc. | senectum |
| PLURIEL |
| Nom. | senecta |
| Gen. | senectōrum |
| Dat. | senectis |
| Acc. | senecta |
| Abl. | senectis | |