Déclinaison / Conjugueur latin
| SINGULIER |
| Nom. | authenticus |
| Gen. | authentici |
| Dat. | authentico |
| Acc. | authenticum |
| Abl. | authentico |
| Voc. | authentice |
| PLURIEL |
| Nom. | authentici |
| Gen. | authenticōrum |
| Dat. | authenticis |
| Acc. | authenticos |
| Abl. | authenticis |
| Voc. | authentici |
| SINGULIER |
| Nom. | authentică |
| Gen. | authenticae |
| Dat. | authenticae |
| Acc. | authenticam |
| Abl. | authenticā |
| Voc. | authentică |
| PLURIEL |
| Nom. | authenticae |
| Gen. | authenticārum |
| Dat. | authenticis |
| Acc. | authenticas |
| Abl. | authenticis |
| Voc. | authenticae |
| SINGULIER |
| Nom. | authenticum |
| Gen. | authentici |
| Dat. | authentico |
| Acc. | authenticum |
| Abl. | authentico |
| Voc. | authenticum |
| PLURIEL |
| Nom. | authentica |
| Gen. | authenticōrum |
| Dat. | authenticis |
| Acc. | authentica |
| Abl. | authenticis | |