| Zyklotron | cyclotron |
| Zyklon | cyclone |
| zytotrop | cytotropic |
| Zykloide | cycloid |
| Zyklone | cyclone |
| Zyklostome | cyclostome |
| Zyklop | cyclops |
| Klotho | Clotho |
| Klöten | ball bollock testicle |
| klotzen | fight |
| klötern | clatter |
| Allotrop | allotrope |
| allotrop | allotropic |
| Lotion | lotion |
| Peloton | peloton platoon firing squad |
| Kryotron | cryotron |
| myotrop | myotropic |
| Zyklus | cycle |
| zyklisch | cyclic |
| Kyklop | cyclops |