| Umlaut | umlaut vowel mutation |
| Umlauf | circulation orbital motion paronychia |
| Umlage | apportionment |
| Umland | hinterland |
| Umluft | circulating air recirculated air secondary air |
| Inlaut | inlaut |
| Ablaut | ablaut |
| Anlaut | initial sound |
| Auslaut | final sound |
| Laut | sound |
| laut | loud according |
| Urlaub | vacation holiday furlough leave |
| Maut | toll |
| Umlaufen | circulation |
| umlaufen | circulate knock over orbit |
| Auslauf | spout |
| Auslaut- | final |
| Bläue | blueness |
| Müllauto | garbage truck |
| belaubt | leafy |