| SgM | SgF | SgN | PlM | PlF | PlN | |
| Nom | margkunnig | mörgkunnig (rule) | margkunnigt (rule) | margkunnigir (rule) | margkunnigar (rule) | mörgkunnig (rule) |
| Acc | margkunnigan (rule) | margkunniga (rule) | margkunnigt (rule) | margkunniga (rule) | margkunnigar (rule) | mörgkunnig (rule) |
| Dat | margkunnigum (rule) | margkunnigri (rule) | margkunnigu (rule) | margkunnigum (rule) | margkunnigum (rule) | margkunnigum (rule) |
| Gen | margkunnigs (rule) | margkunnigrar (rule) | margkunnigs (rule) | margkunnigra (rule) | margkunnigra (rule) | margkunnigra (rule) |
| SgM | SgF | SgN | Pl | |
| Nom | margkunnigi (rule) | margkunniga (rule) | margkunniga (rule) | margkunnigu (rule) |
| Acc | margkunniga (rule) | margkunnigu (rule) | margkunniga (rule) | margkunnigu (rule) |
| Dat | margkunniga (rule) | margkunnigu (rule) | margkunniga (rule) | margkunnigum (rule) |
| Gen | margkunniga (rule) | margkunnigu (rule) | margkunniga (rule) | margkunnigu (rule) |
| Degree | |
| Comp | margkunnigari (rule) |
| Sup | margkunnigastr (rule) |