| Realteil | real part |
| Redeteil | part of speech |
| reaktiv | reactive |
| gealtert | aged |
| Haarteil | hairpiece |
| Abteil | section compartment |
| Anteil | share portion quota |
| Bauteil | component component part element |
| Erbteil | heritage |
| Erdteil | continent |
| Netzteil | PSU power supply unit |
| Readme | readme |
| Reaktant | reactant |
| Real | real |
| real | real natural |
| Real- | real life |
| Realgar | realgar |
| Realist | realist |
| Realistin | realist |
| Reagenz | reagent reaction |