| Sg M | Pl M | Sg F | Pl F | Sg N | Pl N | |
| Nom | swifta (rule) | swiftan (rule) | swifte (rule) | swiftan (rule) | swifte (rule) | swiftan (rule) |
| Acc | swiftan (rule) | swiftan (rule) | swiftan (rule) | swiftan (rule) | swifte (rule) | swiftan (rule) |
| Gen | swiftan (rule) | swiftra (rule) | swiftan (rule) | swiftra (rule) | swiftan (rule) | swiftra (rule) |
| Dat | swiftan (rule) | swiftum (rule) | swiftan (rule) | swiftum (rule) | swiftan (rule) | swiftum (rule) |
| SgM | PlM | SgF | PlF | SgN | PlN | |
| Nom | swift | swifte (rule) | swiftu (rule) | swifta (rule) | swift (rule) | swifte (rule) |
| Acc | swiftne (rule) | swifte (rule) | swifte (rule) | swifta (rule) | swift (rule) | swifte (rule) |
| Gen | swiftes (rule) | swiftra (rule) | swiftre (rule) | swiftra (rule) | swiftes (rule) | swiftra (rule) |
| Dat | swiftum (rule) | swiftum (rule) | swiftre (rule) | swiftum (rule) | swiftum (rule) | swiftum (rule) |
| Instr | swifte (rule) | swiftum (rule) | swiftre (rule) | swiftum (rule) | swifte (rule) | swiftum (rule) |