| Kolligation | colligation |
| Kollation | collating collation |
| Kollokation | collocation |
| Obligation | bond obligation |
| Kollektion | collection |
| Kollision | collision |
| Kolonisation | colonisation |
| Zollstation | custom duties |
| Religation | religation |
| Konjugation | conjugation |
| Kombination | combination |
| Komplikation | complication |
| Koalition | coalition |
| Kollaboration | collaboration |
| Kollegin | colleague |
| Kollusion | collusion |
| Pollution | nocturnal emission |
| Kalligrafin | calligrapher |
| Alligator | alligator |
| Hooliganin | yob |