| Sg | Pl | |
| Nom | svanr | svanir (rule) |
| Acc | svan (rule) | svana (rule) |
| Dat | svani (rule) | svönum (rule) |
| Gen | svans (rule) | svana (rule) |
| Sg | Pl | |
| Nom | svanrinn (rule) | svanirnir (rule) |
| Acc | svaninn (rule) | svanana (rule) |
| Dat | svaninum (rule) | svönunum (rule) |
| Gen | svansins (rule) | svananna (rule) |