| Sg | Pl | |
| Nom | sjávarafli | sjávaraflar (rule) |
| Acc | sjávarafla (rule) | sjávarafla (rule) |
| Dat | sjávarafla (rule) | sjávaröflum (rule) |
| Gen | sjávarafla (rule) | sjávarafla (rule) |
| Sg | Pl | |
| Nom | ? (rule) | ? (rule) |
| Acc | ? (rule) | ? (rule) |
| Dat | ? (rule) | sjávaröflunum (rule) |
| Gen | ? (rule) | ? (rule) |