| offenkettig | open-chain |
| offenherzig | frank candid open revealing |
| offenkundig | apparent |
| Offenheit | candor |
| Offenlegung | disclosure |
| Affenkäfig | monkey cage |
| einkettig | single-chain |
| offene | open source |
| Offenbarung | revelation Apocalypse Revelation Revelations |
| koffeinhaltig | caffeinated |
| offenlegen | reveal disclose unfold unveil |
| offensiv | offensive |
| öffentlich | public open |
| Affenente | freckled duck |
| affektiv | affective |
| affengeil | awesome gorgeous terrific wicked |
| effektiv | effective |
| ofenfest | ovenproof |
| Rollenkette | roller chain |
| geradkettig | straight-chain |