| Kopulation | copulation |
| Population | population |
| Koagulation | coagulation |
| Modulation | modulation |
| Ovulation | ovulation |
| Kollation | collating collation |
| Koedukation | coeducation |
| Fabulation | fib |
| Emulation | emulation |
| Kalkulation | calculation costing |
| Kapitulation | capitulation surrender |
| Postulation | postulation |
| Simulation | simulation |
| Epilation | epilation |
| Depilation | depilation hair removal dehairing |
| Korrelation | correlation association |
| Konsultation | consultation |
| Konurbation | conurbation |
| Amputation | amputation |
| Kommutation | substitution test |