| Opportunismus | opportunism |
| Opportunistin | opportunist |
| Opportunist | opportunist timeserver temporizer |
| Opportunität | appropriateness |
| opportunistisch | opportunistic timeserving |
| Neptunismus | Neptunism |
| opportun | opportune suitable |
| Kommunismus | communism |
| Hyperionismus | hyperionism |
| Koranismus | Quranism |
| Napoleonismus | Bonapartism |
| Personismus | situationism |
| Putinismus | Putinism |
| Organismus | organism |
| Platonismus | Platonism platonism |
| Ökotourismus | ecotourism |
| Aphorismus | aphorism |
| Botulismus | botulism |
| Nepotismus | nepotism |
| Optimismus | optimism |