| Singular | Plural | |
|---|---|---|
| Nominativ | attubernalis | attubernalis, attubernales |
| Genitiv | attubernalis | attubernalium, attubernalum |
| Dativ | attubernale, attubernali | attubernalibus |
| Akkusativ | attubernalem, attubernalim | attubernaleis, attubernalis, attubernales |
| Ablativ | attubernale, attubernali | attubernalibus |
| Vokativ | attubernalis | attubernales |