| Sg | Pl | |
| Nom | naut | naut (rule) |
| Acc | naut (rule) | naut (rule) |
| Dat | nauti (rule) | nautum (rule) |
| Gen | nauts (rule) | nauta (rule) |
| Sg | Pl | |
| Nom | nautit (rule) | nautin (rule) |
| Acc | nautit (rule) | nautin (rule) |
| Dat | nautinu (rule) | nautunum (rule) |
| Gen | nautsins (rule) | nautanna (rule) |