| Kryostase | cryostasis |
| Hämostase | coagulation |
| Ikonostase | iconostasis |
| Hypostase | hypostase |
| Kryotron | cryotron |
| Kryptide | cryptid |
| Krypta | crypt |
| Krypte | crypt |
| Karyopse | caryopsis |
| Apostasie | apostasy |
| Homöostase | homeostasis homoeostasis homœostasi |
| Prostata | prostate prostate gland |
| Kreistanz | round dance |
| Ekstase | ecstasy |
| Kristall | crystal |
| Kronstadt | Brașov |
| Metastase | metastasis |
| Kokosfaser | coir |
| Krummnase | kike |
| Prophase | prophase |