| konfessionslos | nonsectarian |
| Konfessionsloser | nonsectarian |
| Konfessionslosigkeit | nonsectarianism |
| konfessionsfrei | nonsectarian |
| Konfession | denomination |
| Konzession | concession admission licence |
| Konditionalis | conditional |
| Konfektionsgröße | size |
| Konfessionsfreier | nonsectarian |
| Konfektion | make manufacture ready-to-wear off-the-peg clothing off-the-rack clothing clothing industry |
| Konfusion | bewilderment |
| Konkussion | concussion |
| Konversion | conversion |
| Konzessivsatz | concessive clause |
| konventionell | conventional |
| konzeptionell | conceptual |
| bonfortionös | superb scrumtrulescent |
| Professionelle | professional |
| professionell | professional |
| Konformismus | conformism |