| Umlauf | circulation orbital motion paronychia |
| Umlaufen | circulation |
| umlaufen | circulate knock over orbit |
| Umlaufbahn | orbit |
| Umlaut | umlaut vowel mutation |
| Umlage | apportionment |
| Umland | hinterland |
| Umluft | circulating air recirculated air secondary air |
| Auslauf | spout |
| Ablauf | procedure action activity process sequence queue downpipe drainage outflow outlet port end of a term expiration of a deadline expiration of a time limit expiration of the validity |
| Anlauf | run up attempt try |
| Auflauf | crowd baked pudding casserole hotpot |
| Lauf | run race course leg barrel running |
| Urlaub | vacation holiday furlough leave |
| Zulauf | contest flow |
| Bläue | blueness |
| Eislauf | ice skating |
| Inlaut | inlaut |
| Rotlauf | erysipelas |
| Ablaut | ablaut |