| Kapuziner | Capuchin |
| Kapuzineraffe | capuchin monkey |
| Kapuze | hood cowl |
| Kapuzinerkresse | Indian cress monks cress nasturtium |
| Apulier | Apulian |
| Karabiner | carabiner |
| Kaprize | whim |
| kapaunen | caponize |
| kapiert | got it |
| Kapazität | capacity capacitance |
| Kaper | caper |
| Kapitel | chapter |
| kapazitiv | capacitive |
| Apulien | Apulia |
| Konfuzianer | Confucian |
| Luzifer | Lucifer |
| kaduzieren | cancel |
| kreuzigen | crucify nail to the cross |
| Benziner | gasoline model petrol model |
| Fanzine | fanzine |