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