| Relation | relation |
| relational | relational |
| Religation | religation |
| Religion | religion faith |
| relativ | relative |
| Ablation | ablation amputation surgical incision surgical removal |
| Deflation | deflation |
| Kreation | creation |
| Kremation | cremation |
| Negation | negation |
| Ration | ration |
| Rotation | rotation |
| Deletion | deletion |
| Reaktion | reaction |
| Redaktion | editing |
| Rektion | case government government |
| Korrelation | correlation association |
| Relais | relay |
| relaxen | relax |
| religiös | religious |