| Konservenbüchse | tin can |
| Konservendose | can tin |
| Donnerbüchse | bombard |
| Konservenfabrik | cannery |
| Zunderbüchse | tinderbox |
| Konservatismus | conservatism |
| Konvenienzehe | marriage of convenience |
| Kondolenzbuch | book of condolence book of condolences |
| Konsensus | consensus |
| Konserve | preserve |
| Konservierung | conservation preservation mothballing momification |
| Nervenbündel | basket case |
| Nervenkunde | neurology |
| Kassenbuch | ledger |
| Hakenbüchse | archebus harquebus |
| Nebenbuch | subledger |
| Lagerbuchse | bushing |
| Pandorabüchse | Pandora's box |
| Steckerbuchse | receptacle |
| Teebüchse | caddie |