| Know-how | know-how |
| Knossos | Knossos |
| knochig | bony |
| Knochen | bone dog bone spanner dog bone wrench |
| Knöchel | ankle knuckle |
| Knobelei | brainteaser |
| Knochen- | skeletal |
| Knorr | knarr |
| Knospen | burgeoning |
| knospen | bud |
| Knospung | proliferation |
| Knöllchen | parking ticket |
| knospend | budding |
| knotig | knobbly |
| Knobel | die |
| Knock-out | knock-out |
| Knolle | tuber |
| Knopf | button knob |
| Knopfloch | buttonhole |
| Knorpel | cartilage gristle |