| bonfortionös | superb scrumtrulescent |
| Konformismus | conformism |
| Konfektion | make manufacture ready-to-wear off-the-peg clothing off-the-rack clothing clothing industry |
| Konformation | conformation |
| Kontorsion | contortion |
| Kontorsionist | contortionist |
| Bonapartismus | Bonapartism |
| Konformist | conformist |
| konfessionslos | nonsectarian |
| Konfession | denomination |
| Konfirmation | confirmation |
| Konformität | conformity |
| Konfusion | bewilderment |
| Konföderation | confederation |
| Informationen | lowdown |
| Information | information |
| a fortiori | a fortiori |
| sofortig | immediate instant |
| unorthodox | licentious |
| Konsortium | consortium |