| Singular | Plural | |
|---|---|---|
| Nominativ | lucus, lucusque, noctulucus | lucique, luci, lucidius, luciusque, lucieno |
| Genitiv | luci, lucidius, luciusque, lucieno, lucique | lucorum |
| Dativ | luco | halucis, lucis, lucisque |
| Akkusativ | lucum, lucom | lucos, lucosque, putilucos |
| Ablativ | luco | halucis, lucis, lucisque |
| Vokativ | luce | lucique, luci, lucidius, luciusque, lucieno |