| konjugieren | conjugate |
| konsumieren | consume |
| konturieren | outline |
| kongruieren | agree |
| kontrieren | double |
| kondolieren | condole |
| konferieren | confer |
| konfligieren | conflict#Verb |
| konfundieren | confuse |
| konjugierbar | conjugable conjugatable |
| konkludieren | conclude |
| konkurrieren | compete vie |
| konnotieren | connote |
| konsultieren | consult |
| konvenieren | be suitable |
| konvergieren | converge |
| konzedieren | concede admit |
| konzipieren | design plan conceptualise prepare a draft conceive become pregnant get pregnant teem |
| korrigieren | correct adjust |
| koagulieren | coagulate |