| Singular | Plural | |
|---|---|---|
| Nominativ | navisbus, nauis | naues, nauesque |
| Genitiv | nauis, navisbus | navum, nauium, nauiumque, nauumque |
| Dativ | naui, navique, gnavi, naue, aginavi, astronavi, naviculare | nauibus, nauibusque |
| Akkusativ | nauemque, nauim, nauem | nauis, navisbus, naues, naveis, nauesque |
| Ablativ | naui, navique, gnavi, naue, aginavi, astronavi, naviculare | nauibus, nauibusque |
| Vokativ | nauis, navisbus | naues, nauesque |