| Konzetti | extended metaphor |
| Konfetti | confetti |
| Konzept | draft concept conception |
| Konzert | concert |
| Konfekt | candy |
| Konvent | convent |
| Konvertit | convert |
| Konzertina | concertina |
| Kontext | context |
| Konzeption | conception |
| Konzern | group combine concern trust |
| konzessiv | concessive |
| Lanzette | lancet |
| Pinzette | tweezers |
| Kokette | coquette |
| Kornett | cornet |
| Korsett | corset |
| Korvette | corvette |
| Sonett | sonnet |
| honett | decent |