Déclinaison / Conjugueur latin
| SINGULIER |
| Nom. | quatriduanus |
| Gen. | quatriduani |
| Dat. | quatriduano |
| Acc. | quatriduanum |
| Abl. | quatriduano |
| Voc. | quatriduane |
| PLURIEL |
| Nom. | quatriduani |
| Gen. | quatriduanōrum |
| Dat. | quatriduanis |
| Acc. | quatriduanos |
| Abl. | quatriduanis |
| Voc. | quatriduani |
| SINGULIER |
| Nom. | quatriduană |
| Gen. | quatriduanae |
| Dat. | quatriduanae |
| Acc. | quatriduanam |
| Abl. | quatriduanā |
| Voc. | quatriduană |
| PLURIEL |
| Nom. | quatriduanae |
| Gen. | quatriduanārum |
| Dat. | quatriduanis |
| Acc. | quatriduanas |
| Abl. | quatriduanis |
| Voc. | quatriduanae |
| SINGULIER |
| Nom. | quatriduanum |
| Gen. | quatriduani |
| Dat. | quatriduano |
| Acc. | quatriduanum |
| Abl. | quatriduano |
| Voc. | quatriduanum |
| PLURIEL |
| Nom. | quatriduana |
| Gen. | quatriduanōrum |
| Dat. | quatriduanis |
| Acc. | quatriduana |
| Abl. | quatriduanis | |