| Kontinuum | continuum |
| Kontinent | continent |
| Königtum | monarchy |
| Kondominium | condominium |
| Kontingent | contingent |
| kontingent | contingent |
| Kontinuante | reflex |
| Kontobuch | account book |
| Kontranym | contranym |
| Konfitüre | jam confiture |
| Konkretum | concrete noun |
| Konsensus | consensus |
| Konsum | consumption |
| Kontingenz | contingency attunement |
| Kontinuität | continuity |
| Kontonummer | account number |
| Kontur | contour outline |
| Röntgenium | roentgenium |
| Roentgenium | roentgenium |
| Canticum | canticle |