| Konzertreise | concert tour |
| Konzertmeister | concertmaster |
| Konzertina | concertina |
| Konzerthaus | concert hall concert house |
| konzentrisch | concentric concentrical |
| konzertieren | give a concert concert |
| konzertiert | concerted |
| Zeitreise | time travel |
| Sonderpreis | exceptional price special price special reduced price |
| Konvertit | convert |
| Konvervative | conservative |
| Konzertflügel | concert grand |
| Konzertierung | conciliation |
| Konzertzeichner | stag |
| Konzetti | extended metaphor |
| Königsmeise | yellow-cheeked tit |
| Königstreue | royalism |
| kontextfrei | context-free |
| Konterfei | portrait |
| Kontroverse | controversy dispute |