| Nierenrinde | cortex cortex of kidney |
| Birkenrinde | birchbark |
| Hirnrinde | mantle |
| Nierengrieß | kidney stone |
| niederringen | defeat |
| Niederlande | Netherlands |
| Viererbande | Gang of Four |
| Ehrenrunde | lap of honour grade retention repeat a school year |
| Regenrinne | gutter |
| Nigrerin | Nigerien |
| Nervenkunde | neurology |
| Siegerrunde | victory lap |
| Niederknien | genuflection |
| niederknien | kneel down |
| Niedersinken | fallout |
| Nieren- | renal |
| Nierenarzt | nephrologist |
| Nebenniere | adrenal gland |
| Niederlage | defeat |
| Niederländer | Dutchman Netherlander |