| Sg M | Pl M | Sg F | Pl F | Sg N | Pl N | |
| Nom | swīþa (rule) | swīþan (rule) | swīþe (rule) | swīþan (rule) | swīþe (rule) | swīþan (rule) |
| Acc | swīþan (rule) | swīþan (rule) | swīþan (rule) | swīþan (rule) | swīþe (rule) | swīþan (rule) |
| Gen | swīþan (rule) | swīþra (rule) | swīþan (rule) | swīþra (rule) | swīþan (rule) | swīþra (rule) |
| Dat | swīþan (rule) | swīþum (rule) | swīþan (rule) | swīþum (rule) | swīþan (rule) | swīþum (rule) |
| SgM | PlM | SgF | PlF | SgN | PlN | |
| Nom | swīþ | swīþe (rule) | swīþ (rule) | swīþa (rule) | swīþ (rule) | swīþe (rule) |
| Acc | swīþne (rule) | swīþe (rule) | swīþe (rule) | swīþa (rule) | swīþ (rule) | swīþe (rule) |
| Gen | swīþes (rule) | swīþra (rule) | swīþre (rule) | swīþra (rule) | swīþes (rule) | swīþra (rule) |
| Dat | swīþum (rule) | swīþum (rule) | swīþre (rule) | swīþum (rule) | swīþum (rule) | swīþum (rule) |
| Instr | swīþe (rule) | swīþum (rule) | swīþre (rule) | swīþum (rule) | swīþe (rule) | swīþum (rule) |