| Reformator | reformer |
| Reformation | Reformation reformation |
| Reformer | reformer |
| Refraktor | refracting telescope refractor |
| Decorator | decorator pattern |
| Dekoratör | decorator |
| Resonator | resonator |
| Reflektor | reflector |
| Reform- | reformist |
| Reformist | reformist |
| Reformistin | reformist |
| Referat | report lecture presentation talk paper project department division unit |
| Reform | reform |
| Reformpaket | reform package |
| reformiert | reformed |
| refraktär | refractory |
| geformt | formed shaped figured modeled molded |
| Formfaktor | form factor |
| Format | shape |
| Formation | formation |