| Sg M | Pl M | Sg F | Pl F | Sg N | Pl N | |
| Nom | īdela (rule) | īdelan (rule) | īdele (rule) | īdelan (rule) | īdele (rule) | īdelan (rule) |
| Acc | īdelan (rule) | īdelan (rule) | īdelan (rule) | īdelan (rule) | īdele (rule) | īdelan (rule) |
| Gen | īdelan (rule) | īdelra (rule) | īdelan (rule) | īdelra (rule) | īdelan (rule) | īdelra (rule) |
| Dat | īdelan (rule) | īdlum (rule) | īdelan (rule) | īdlum (rule) | īdelan (rule) | īdlum (rule) |
| SgM | PlM | SgF | PlF | SgN | PlN | |
| Nom | īdel | īdle (rule) | īdel (rule) | īdla (rule) | īdel (rule) | īdele (rule) |
| Acc | īdelne (rule) | īdle (rule) | īdele (rule) | īdla (rule) | īdel (rule) | īdele (rule) |
| Gen | īdles (rule) | īdelra (rule) | īdelre (rule) | īdelra (rule) | īdles (rule) | īdelra (rule) |
| Dat | īdlum (rule) | īdlum (rule) | īdelre (rule) | īdlum (rule) | īdlum (rule) | īdlum (rule) |
| Instr | īdle (rule) | īdlum (rule) | īdelre (rule) | īdlum (rule) | īdle (rule) | īdlum (rule) |