| Kordilleren | American Cordillera |
| korrelieren | correlate |
| korrigieren | correct adjust |
| koordinieren | coordinate |
| kodieren | encode code |
| kompilieren | compile |
| kondolieren | condole |
| korrodieren | corrode |
| akkordieren | admit to something |
| bardieren | wrap in bacon |
| Kafillerei | knacker's yard |
| Killerin | hitman |
| brillieren | shine |
| grillieren | grill barbecue |
| oszillieren | oscillate |
| kollern | gobble |
| Kopieren | replication |
| kopieren | copy |
| formieren | deploy |
| koagulieren | coagulate |