| Realisation | realization |
| Realistin | realist |
| Reanimation | reanimation |
| Religation | religation |
| Replikation | replication |
| Realsatire | real-life satire |
| Lokalisation | localization |
| Kanalisation | sewage system |
| Vernalisation | vernalization |
| Vokalisation | vocalisation |
| Memoisation | memoization |
| Organisation | organization organisation |
| Deklination | declension declination |
| Radiation | adaptive radiation |
| Reifikation | reification |
| Reklamation | complaint consumer complaint customer complaint claim |
| Relation | relation |
| Rezitation | recitation |
| Realist | realist |
| Reaktion | reaction |