Déclinaison / Conjugueur latin
| SINGULIER |
| Nom. | triennalis |
| Gen. | triennalis |
| Dat. | triennali |
| Acc. | triennalem |
| Abl. | triennali |
| Voc. | triennalis |
| PLURIEL |
| Nom. | triennales |
| Gen. | triennalĭum |
| Dat. | triennalĭbus |
| Acc. | triennales |
| Abl. | triennalĭbus |
| Voc. | triennales |
| SINGULIER |
| Nom. | triennalis |
| Gen. | triennalis |
| Dat. | triennali |
| Acc. | triennalem |
| Abl. | triennali |
| Voc. | triennalis |
| PLURIEL |
| Nom. | triennales |
| Gen. | triennalĭum |
| Dat. | triennalĭbus |
| Acc. | triennales |
| Abl. | triennalĭbus |
| Voc. | triennales |
| SINGULIER |
| Nom. | triennale |
| Gen. | triennalis |
| Dat. | triennali |
| Acc. | triennale |
| Abl. | triennali |
| Voc. | triennale |
| PLURIEL |
| Nom. | triennalĭa |
| Gen. | triennalĭum |
| Dat. | triennalĭbus |
| Acc. | triennalĭa |
| Abl. | triennalĭbus | |