| Sg | Pl | |
| Nom | skel | skeljar (rule) |
| Acc | skel (rule) | skeljar (rule) |
| Dat | skel (rule) | skeljum (rule) |
| Gen | skeljar (rule) | skelja (rule) |
| Sg | Pl | |
| Nom | skelin (rule) | skeljarnar (rule) |
| Acc | skelina (rule) | skeljarnar (rule) |
| Dat | skelinni (rule) | skeljunum (rule) |
| Gen | skeljarinnar (rule) | skeljanna (rule) |