| Sg | Pl | |
| Nom | kúla | kúlur (rule) |
| Acc | kúlu (rule) | kúlur (rule) |
| Dat | kúlu (rule) | kúlum (rule) |
| Gen | kúlu (rule) | kúlna (rule) |
| Sg | Pl | |
| Nom | kúlan (rule) | kúlurnar (rule) |
| Acc | kúluna (rule) | kúlurnar (rule) |
| Dat | kúlunni (rule) | kúlunum (rule) |
| Gen | kúlunnar (rule) | kúlnanna (rule) |