| relational | relational |
| Relation | relation |
| rational | rational |
| Rationale | rationale |
| kreationär | creationarily |
| arational | arational |
| irrational | irrational |
| national | national |
| Reaktionär | reactionary |
| reaktionär | reactionary |
| emotional | emotional sentimental |
| regional | regional |
| Relativität | relativity |
| Religation | religation |
| Relativsatz | relative clause |
| Religion | religion faith |
| relativ | relative |
| gelatinös | gelatinous |
| Gelatine | gelatin jelly |
| Melatonin | melatonin |