| Nokturne | nocturne |
| Nocturne | nocturne |
| Nykturie | nycturia |
| Lektüre | reading |
| Couture | couture |
| Nottür | emergency door fire escape |
| Norne | Venus's slipper calypso orchid fairy slipper Norn |
| Doktorat | doctorate |
| Doktorin | Doctor |
| Oktant | Octans |
| Doktor | doctor physican |
| Doktorand | Ph.D. candidate Ph.D. student doctorand |
| Doktrin | doctrine |
| Oktave | octave octonion Cayley algebra Cayley numbers |
| Oktole | octuplet |
| Baktun | bʼakʼtun |
| Faktura | invoice |
| Mockturtle | mock turtle soup |
| Natur- | outdoorsy |
| Türe | door |