| Kalisalpeter | potassium nitrate |
| Kalbsleber | calf's liver |
| Kalbsleder | calfskin |
| Chilesalpeter | Chile saltpetre |
| Salpeter | salpetre |
| Kalfaterer | caulker |
| Kalorimeter | calorimeter |
| kalihaltig | potassic |
| Palisander | rosewood |
| Natronsalpeter | sodium nitrate |
| Wackelpeter | jelly |
| Klinometer | clinometer |
| Kanister | can jerrycan canister |
| Kalabrier | Calabrian |
| Kalixtiner | Utraquism |
| Kalkspat | calcite |
| Kaltwalzen | cold rolling |
| Radikaler | radical |
| Baikalsee | Lake Baikal |
| Kalander | calender |