| SgM | SgF | SgN | PlM | PlF | PlN | |
| Nom | margr | mörg (rule) | margt (rule) | margir (rule) | margar (rule) | mörg (rule) |
| Acc | margan (rule) | marga (rule) | margt (rule) | marga (rule) | margar (rule) | mörg (rule) |
| Dat | mörgum (rule) | margri (rule) | mörgu (rule) | mörgum (rule) | mörgum (rule) | mörgum (rule) |
| Gen | margs (rule) | margrar (rule) | margs (rule) | margra (rule) | margra (rule) | margra (rule) |
| SgM | SgF | SgN | Pl | |
| Nom | margi (rule) | marga (rule) | marga (rule) | mörgu (rule) |
| Acc | marga (rule) | mörgu (rule) | marga (rule) | mörgu (rule) |
| Dat | marga (rule) | mörgu (rule) | marga (rule) | mörgum (rule) |
| Gen | marga (rule) | mörgu (rule) | marga (rule) | mörgu (rule) |
| Degree | |
| Comp | fleiri (rule) |
| Sup | margastr (rule) |