| Untersuchungskommission | board of inquiry commission of inquiry inquiry panel investigative commission |
| Untersuchungsmethode | examination method investigation method |
| Geruchsimmission | odour immission |
| Untersuchungsausschuss | investigating committee |
| Untersuchungshaft | custody |
| Geruchsemission | odour emission |
| Unterführungszeichen | ditto |
| Unterbrechungsroutine | interrupt service routine |
| Untersuchung | investigation examination analysis checkup test inquiry |
| Überwachungsmonitor | surveillance monitor |
| EU-Kommission | European Commission |
| Ethikkommission | ethics committee independent ethics committee |
| Europäische Kommission | European Commission |
| Untergrundorganisation | underground |
| Unternehmenssinn | gumption |
| Unternehmungsgeist | enterprise |
| Unterstützungsempfänger | pauper |
| unternehmungslustig | enterprising |
| unterschneiden | undercut slice |
| Flüchtlingskommissar | commissioner for refugees |