| konstant | constant constantly |
| Konstante | constant |
| Konstantin | Constantine |
| Konstanz | constancy Constance |
| Konstanze | Constance |
| Konsonant | consonant |
| Konstanza | faithfulness |
| Kontakt | contact |
| Kronstadt | Brașov |
| instant | instant |
| Kontrakt | compact contract |
| Konvent | convent |
| könnten | might |
| Konkani | Konkani |
| Konsens | consensus consent |
| Konspekt | summary |
| Konstantinopel | Constantinople |
| Konsulat | consulate |
| Konsument | consumer |
| Kontext | context |