| Rückzug | retreat |
| rückzu | back way |
| Rückruf | recall callback |
| Rückweg | way back |
| ruckzuck | at the double in a jiffy lickety-split on the double |
| Rucken | jolt |
| rucken | jerk |
| Rücken | back backstroke spine ridge |
| rücken | move draw push proceed |
| Rücklage | provision |
| Rückwurf | throwback |
| ruckeln | jolt |
| Druckanzug | pressure suit |
| Ruck | jerk jolt start swing |
| Rückgang | fall decrease decline drop |
| Rücklauf | return response |
| Zuckung | jerk |
| bucklig | hunchbacked bumpy hilly |
| Luftzug | draft |
| Aufzug | elevator lift act approach attire |