| Operation | surgery operation |
| Kooperation | cooperation co-operation |
| Operationssaal | operating room theatre operating theater operating theatre surgery theater |
| Operator | operator administrator |
| operativ | surgical operative operational strategic |
| Föderation | federation |
| Iteration | iteration |
| Moderation | moderation presentation |
| Oration | collect |
| Uperisation | uperisation |
| Generation | generation |
| Heraion | Heraion |
| Keratin | keratin |
| Aberration | aberration |
| Adoration | adoration |
| Aspiration | aspiration |
| Komparation | comparison |
| Kuration | cure |
| Migration | migration |
| Ration | ration |