| offenes Buch | open book |
| offenes Ende | cliffhanger |
| Offenes Mikro | open mic |
| offener Kern | interior |
| offener Brief | open letter |
| öffentlich | public open |
| gutes Buch | Good Book |
| Referenzbuch | reference book |
| Offenlegung | disclosure |
| Offsetdruck | offset printing |
| offene | open source |
| offene Frage | moot point |
| offene Linie | open file |
| offene Menge | open set |
| offene Silbe | open syllable |
| offene Spiele | Open Game |
| offene Stelle | opening |
| offener Fonds | open-end fund |
| Offenbarung | revelation Apocalypse Revelation Revelations |
| Offensive | offensive |