Déclinaison / Conjugueur latin
| SINGULIER |
| Nom. | undequinquagesimus |
| Gen. | undequinquagesimi |
| Dat. | undequinquagesimo |
| Acc. | undequinquagesimum |
| Abl. | undequinquagesimo |
| Voc. | undequinquagesime |
| PLURIEL |
| Nom. | undequinquagesimi |
| Gen. | undequinquagesimōrum |
| Dat. | undequinquagesimis |
| Acc. | undequinquagesimos |
| Abl. | undequinquagesimis |
| Voc. | undequinquagesimi |
| SINGULIER |
| Nom. | undequinquagesimă |
| Gen. | undequinquagesimae |
| Dat. | undequinquagesimae |
| Acc. | undequinquagesimam |
| Abl. | undequinquagesimā |
| Voc. | undequinquagesimă |
| PLURIEL |
| Nom. | undequinquagesimae |
| Gen. | undequinquagesimārum |
| Dat. | undequinquagesimis |
| Acc. | undequinquagesimas |
| Abl. | undequinquagesimis |
| Voc. | undequinquagesimae |
| SINGULIER |
| Nom. | undequinquagesimum |
| Gen. | undequinquagesimi |
| Dat. | undequinquagesimo |
| Acc. | undequinquagesimum |
| Abl. | undequinquagesimo |
| Voc. | undequinquagesimum |
| PLURIEL |
| Nom. | undequinquagesima |
| Gen. | undequinquagesimōrum |
| Dat. | undequinquagesimis |
| Acc. | undequinquagesima |
| Abl. | undequinquagesimis | |