| konfabulieren | confabulate |
| konfigurieren | configure form |
| fabulieren | tell |
| koagulieren | coagulate |
| kongruieren | agree |
| Konfabulation | confabulation |
| kondolieren | condole |
| konferieren | confer |
| konfiszieren | confiscate |
| konfligieren | conflict#Verb |
| konfrontieren | confront |
| konfundieren | confuse |
| konjugieren | conjugate |
| konkatenieren | concatenate |
| konkludieren | conclude |
| konstruieren | design make fabricate construct |
| konsultieren | consult |
| konsumieren | consume |
| kontaktieren | contact |
| kontaminieren | contaminate infect |