| Rucksack | backpack rucksack knapsack haversack |
| ruckzuck | at the double in a jiffy lickety-split on the double |
| Drecksack | shit |
| Druckstock | plate |
| Fruchtsack | amniotic sac |
| Rücklage | provision |
| Rückstau | backlog |
| Drucksache | printed matter |
| Krückstock | walking stick |
| Rückblick | retrospective review |
| Rückfall | relapse recidivism |
| Rückgabe | return |
| Rückgang | fall decrease decline drop |
| Rückhalt | backing support |
| Rücklauf | return response |
| Rücksicht | consideration |
| Rücksitz | back-seat |
| Rückstand | residue |
| Duckface | duckface |
| Kuckuck | cuckoo |
| kuckuck | cuckoo |