| Konfidenzniveau | confidence level |
| Konfidenz | confidence trust |
| Konferenzraum | meeting room |
| Konferenzsaal | meeting room |
| Konfidenzintervall | confidence interval |
| Kondeszendenz | condescension |
| Konfiszierung | confiscation |
| Kontingenztafel | cross tabulation |
| Konventikel | conventicle |
| kontinental | continental |
| Kondensat | condensate |
| Kondensmilch | condensed milk evaporated milk dehydrated milk |
| Konferenz | conference |
| Konföderation | confederation |
| Konizität | conicity |
| Kontinuität | continuity |
| kondensieren | condense precipitate |
| konfiszieren | confiscate |
| kongenial | congenial |
| kongenital | congenital |