| Kollision | collision |
| Kollusion | collusion |
| Kollation | collating collation |
| Kollisionskurs | collision course |
| Koalition | coalition |
| Kolligation | colligation |
| Kollisionsrecht | private international law |
| Kollegin | colleague |
| Kollektion | collection |
| Pollution | nocturnal emission |
| Zollunion | customs union |
| Vollidiot | wally |
| Kallisto | Callisto |
| Kellion | cell monastery |
| Elision | elision |
| Allusion | allusion |
| Illusion | illusion |
| Kohäsion | cohesion |
| Kommission | commission committee |
| Konfusion | bewilderment |