| Nuklease | nuclease |
| Nukleus | (cell) nucleus cytoblast nucleus |
| nuklear | nuclear |
| Nukleosom | nucleosome |
| Nukleon | nucleon |
| Nukleotid | nucleotide |
| Nuklid | nuclide |
| Ribonuklease | ribonuclease |
| Küklein | chick |
| Sauklaue | scrawl scribble |
| Ankleide | closet |
| Sklerose | sclerosis |
| Epiklese | epiclesis epiklesis |
| Klebe | adhesive |
| Klee | clover trefoil |
| Kleie | bran |
| Kleine | girl |
| Klemme | clamp clip terminal fix |
| Klette | burdock |
| Rücklehne | directory |