| SgM | SgF | SgN | PlM | PlF | PlN | |
| Nom | fagr | fögr (rule) | fagrt (rule) | fagrir (rule) | fagrar (rule) | fögr (rule) |
| Acc | fagran (rule) | fagra (rule) | fagrt (rule) | fagra (rule) | fagrar (rule) | fögr (rule) |
| Dat | fögrum (rule) | fagri (rule) | fögru (rule) | fögrum (rule) | fögrum (rule) | fögrum (rule) |
| Gen | fagrs (rule) | fagrar (rule) | fagrs (rule) | fagra (rule) | fagra (rule) | fagra (rule) |
| SgM | SgF | SgN | Pl | |
| Nom | fagri (rule) | fagra (rule) | fagra (rule) | fögru (rule) |
| Acc | fagra (rule) | fögru (rule) | fagra (rule) | fögru (rule) |
| Dat | fagra (rule) | fögru (rule) | fagra (rule) | fögrum (rule) |
| Gen | fagra (rule) | fögru (rule) | fagra (rule) | fögru (rule) |
| Degree | |
| Comp | fegri (rule) |
| Sup | fegrstr (rule) |