| Singular | Plural | |
|---|---|---|
| Nominativ | amurga, amurca | amurcae, amurgae |
| Genitiv | amurcae, amurcai, amurgae, amurgai | amurgum, amurcarum, amorgum, amurcum, amurgarum |
| Dativ | amurcae, amurcai, amurgae, amurgai | amurgis, amurgabus, amurcis, amurcabus |
| Akkusativ | amurcam, amurgam | amurgas, amurcas |
| Ablativ | amurcad, amurga, amurgad, amurca | amurcabus, amurgis, amurgabus, amurcis |
| Vokativ | amurga, amurca | amurcae, amurgae |