| Nederlands | nld-000 |
| terugwerking | |
| dansk | dan-000 | reaktion |
| Deutsch | deu-000 | Reaktion |
| English | eng-000 | reaction |
| English | eng-000 | retroaction |
| Esperanto | epo-000 | retroefiko |
| français | fra-000 | réaction |
| italiano | ita-000 | reazione |
| Nederlands | nld-000 | reactie |
| português | por-000 | reacção |
| español | spa-000 | reacción |