| Singular | Plural | |
|---|---|---|
| Nominativ | supplementom, supplementum, supplementumque | supplementa, supplementaque |
| Genitiv | supplementi | supplementumque, supplementorum, supplementum |
| Dativ | supplemento, supplementoque | supplementis |
| Akkusativ | supplementumque, supplementum | supplementa, supplementaque |
| Ablativ | supplemento, supplementoque | supplementis |
| Vokativ | supplementumque, supplementum | supplementa, supplementaque |