| undertrycka | hold back |
| undertryckande | repressive |
| undertryckt | subdued |
| undertröja | undershirt |
| Underuppsättning | Subset |
| underutskott | subcommittee |
| underutvecklad | developing |
| underutvecklat land | underdeveloped country |
| undervattens- | underwater |
| undervattensbåt | submarine |
| Undervattensfotografering | Underwater photography |
| Undervattensrugby | Underwater rugby |
| Undervattensvulkan | Hydrothermal vent |
| undervegenation | undergrowth |
| underverk | wonder |
| underviktig | underweight |
| undervisa | instruct |
| undervisande | educational |
| undervisning | instruction |
| undervisningsarvode | tuition |
| undervisningsavgift | tuition |
| undervärdera | undervalue |
| undervärderad | underrated |
| undervärdering | underestimate |
| undervärdering av jordbruket | agricultural undervaluation |
| undervärderingar | understatements |
| undervärld | underworld |
| underåriga | minors |
| undfallande | compliant |
