| Sg | Pl | |
| Nom | brautflutning | brautflutningar (rule) |
| Acc | brautflutning (rule) | brautflutningar (rule) |
| Dat | brautflutningu (rule) | brautflutningum (rule) |
| Gen | brautflutningar (rule) | brautflutninga (rule) |
| Sg | Pl | |
| Nom | brautflutningin (rule) | brautflutningarnar (rule) |
| Acc | brautflutningina (rule) | brautflutningarnar (rule) |
| Dat | brautflutningunni (rule) | brautflutningunum (rule) |
| Gen | brautflutningarinnar (rule) | brautflutninganna (rule) |