| Reflexion | reflection |
| Reflektion | reflection |
| reflexiv | reflexive |
| Flexion | inflection inflexion |
| Reflektor | reflector |
| Reflexbogen | reflex arc |
| Reflex | reflex |
| Reflexionsnebel | reflection nebula |
| Anteflexion | anteflexion |
| Deflation | deflation |
| Deletion | deletion |
| Depletion | depletion |
| Relation | relation |
| Religion | religion faith |
| reffen | reef |
| Refrain | refrain |
| Deflektor | deflector |
| beflecken | stain |
| Ortslexikon | gazetteer |
| Lexikon | encyclopedia lexicon |