| Esperanto | Deutsch | |
| operaciejo | Operationssaal | ✘ |
| ↳ | Operationsraum | ✘ |
| kirurgo | Operationsarzt | ✘ |
| ĥirurgo | Operationsarzt | ✘ |
| kirurgio | Operationskunde | ✘ |
| kiruga masko | Operationsmaske | ✘ |
| lanceto | Operationsmesser | ✘ |
| operacia planado | Operationsplanung | ✘ |
| katguto | Operationsnähfaden — Katgut | ✘ |
| ↳ | Operationsnähfäden | ✘ |
| MFlOp/s | mega floating point operations per second | ✘ |