| Sklerose | sclerosis |
| Seerose | water lily |
| Myosklerose | myosclerosis |
| Klerus | clergy |
| Ruderöse | gudgeon |
| Teerose | tea rose flowering tea |
| Xerose | xerosis |
| skabrös | scabrous |
| Silikose | pneumonoultramicroscopicsilicovolcanoconiosis |
| Skoliose | scoliosis |
| Stenose | stenosis |
| Asklepios | Asclepius |
| Sklave | slave |
| Klecks | blot blob |
| Kleckser | dauber |
| Klerf | Clervaux |
| Nuklease | nuclease |
| kleinst | least |
| Klebe | adhesive |
| Klee | clover trefoil |