| kongruieren | agree |
| kontrieren | double |
| konstruieren | design make fabricate construct |
| kondolieren | condole |
| konferieren | confer |
| konjugieren | conjugate |
| konkludieren | conclude |
| konkurrieren | compete vie |
| konnotieren | connote |
| konservieren | can conserve preserve tin uphold |
| konsumieren | consume |
| kontrahieren | contract |
| konturieren | outline |
| konvenieren | be suitable |
| konvergieren | converge |
| konversieren | converse make conversation |
| konvertieren | convert |
| konzedieren | concede admit |
| konzertieren | give a concert concert |
| konzipieren | design plan conceptualise prepare a draft conceive become pregnant get pregnant teem |