| konkludieren | conclude |
| inkludieren | include |
| kongruieren | agree |
| konfligieren | conflict#Verb |
| konfundieren | confuse |
| konjugieren | conjugate |
| konkurrieren | compete vie |
| konsolidieren | consolidate |
| konsumieren | consume |
| konturieren | outline |
| konzedieren | concede admit |
| exkludieren | marginalize exclude |
| präkludieren | preclude |
| kollidieren | collide clash conflict |
| konfigurieren | configure form |
| konnektieren | bind |
| kontrieren | double |
| Konklusion | conclusion |
| kondensieren | condense precipitate |
| kondolieren | condole |