| Subject | Hungarian | German |
| comp., MS | Office Open XML formátumok | Office Open XML-Formate |
| comp., MS | Open Shortest Path First | Open Shortest Path First |
| comp., MS | Open Software Descriptor fájl | Open Software Descriptor-Datei |
| comp., MS | Open XML formátumok | Open XML-Formate |
| polit. | rendezvények, fórumok, Open Days | Veranstaltungen, Foren, Open Days |
| polit. | rendezvények, fórumok, Open Days | Referat D2 |