| Keratin | keratin |
| Keramik | pottery |
| Kerosin | kerosene |
| beraten | advise recommend discuss |
| geraten | get into succeed resemble |
| Haratin | Haratin |
| Gratin | gratin |
| Kuration | cure |
| Rätin | councillor councillour councilor councilour |
| Kroatin | Croatian |
| Karaitin | Karaite |
| Karotin | carotene carotin |
| Keltin | Celt Kelt |
| Kretin | cretin |
| Keratitis | keratitis |
| Kerbtier | insect |
| kernig | pithy |
| Kerala | Kerala |
| Kern | nucleus core kernel |
| Kerogen | kerogen |