| K.-o.-Niederlage | knockout defeat |
| Niederlage | defeat |
| Wahlniederlage | election defeat |
| niederlegen | depose |
| Niederlande | Netherlands |
| K.-o.-System | knockout system |
| Kaponniere | caponier |
| Kniegeige | viol |
| Monierzange | pincers |
| herniederlassen | let down |
| niederlassen | establish |
| niedermähen | mow down |
| Kniebeuge | squat genuflection genuflexion |
| Kniekehle | back of the knee hollow of the knee knee pit popliteal space |
| Niedergang | fall decline companionway |
| Niederländer | Dutchman Netherlander |
| Niederung | lowland |
| Niederwald | coppice |
| Wiedergabe | playback |
| Widerklage | counterclaim |