| Singular | Plural | |
|---|---|---|
| Nominativ | lumen, lumenmedela, lumenque, luminar | lumina, luminaque |
| Genitiv | luminis | luminium, luminum, luminumque |
| Dativ | lumine, lumini | luminibus |
| Akkusativ | luminar, lumen, lumenmedela, lumenque | luminaque, lumina |
| Ablativ | lumine | luminibus |
| Vokativ | lumen, lumenmedela, lumenque, luminar | luminaque, lumina |