Déclinaison / Conjugueur latin
| SINGULIER |
| Nom. | trimestris |
| Gen. | trimestris |
| Dat. | trimestri |
| Acc. | trimestrem |
| Abl. | trimestri |
| Voc. | trimestris |
| PLURIEL |
| Nom. | trimestres |
| Gen. | trimestrĭum |
| Dat. | trimestrĭbus |
| Acc. | trimestres |
| Abl. | trimestrĭbus |
| Voc. | trimestres |
| SINGULIER |
| Nom. | trimestris |
| Gen. | trimestris |
| Dat. | trimestri |
| Acc. | trimestrem |
| Abl. | trimestri |
| Voc. | trimestris |
| PLURIEL |
| Nom. | trimestres |
| Gen. | trimestrĭum |
| Dat. | trimestrĭbus |
| Acc. | trimestres |
| Abl. | trimestrĭbus |
| Voc. | trimestres |
| SINGULIER |
| Nom. | trimestre |
| Gen. | trimestris |
| Dat. | trimestri |
| Acc. | trimestre |
| Abl. | trimestri |
| Voc. | trimestre |
| PLURIEL |
| Nom. | trimestrĭa |
| Gen. | trimestrĭum |
| Dat. | trimestrĭbus |
| Acc. | trimestrĭa |
| Abl. | trimestrĭbus | |