| konsequent | consequential forceful |
| Konsequenz | consequence |
| Konsument | consumer |
| konsistent | consistent |
| konvenient | convenient |
| konvergent | convergent |
| Kondiment | condiment |
| Konkrement | calculus |
| Kontingent | contingent |
| kontingent | contingent |
| Konvent | convent |
| konserviert | canned |
| konstruiert | inkhorn |
| Konferenz | conference |
| Konkurrent | competitor |
| Konsens | consensus consent |
| Konserve | preserve |
| Konsistenz | consistency |
| Konsonant | consonant |
| Konspekt | summary |