Déclinaison / Conjugueur latin
| SINGULIER |
| Nom. | quadrimenstris |
| Gen. | quadrimenstris |
| Dat. | quadrimenstri |
| Acc. | quadrimenstrem |
| Abl. | quadrimenstri |
| Voc. | quadrimenstris |
| PLURIEL |
| Nom. | quadrimenstres |
| Gen. | quadrimenstrĭum |
| Dat. | quadrimenstrĭbus |
| Acc. | quadrimenstres |
| Abl. | quadrimenstrĭbus |
| Voc. | quadrimenstres |
| SINGULIER |
| Nom. | quadrimenstris |
| Gen. | quadrimenstris |
| Dat. | quadrimenstri |
| Acc. | quadrimenstrem |
| Abl. | quadrimenstri |
| Voc. | quadrimenstris |
| PLURIEL |
| Nom. | quadrimenstres |
| Gen. | quadrimenstrĭum |
| Dat. | quadrimenstrĭbus |
| Acc. | quadrimenstres |
| Abl. | quadrimenstrĭbus |
| Voc. | quadrimenstres |
| SINGULIER |
| Nom. | quadrimenstre |
| Gen. | quadrimenstris |
| Dat. | quadrimenstri |
| Acc. | quadrimenstre |
| Abl. | quadrimenstri |
| Voc. | quadrimenstre |
| PLURIEL |
| Nom. | quadrimenstrĭa |
| Gen. | quadrimenstrĭum |
| Dat. | quadrimenstrĭbus |
| Acc. | quadrimenstrĭa |
| Abl. | quadrimenstrĭbus | |