| Kryptomnesie | cryptomnesia |
| Kryptokratie | cryptocracy |
| Kryptografie | cryptography |
| Kryptologie | cryptology |
| Kryptonit | Kryptonite |
| Kryptogame | cryptogam |
| Kryptographie | cryptography |
| Kryptojude | crypto-Jew |
| Kryptojüdin | crypto-Jew |
| Kryptologe | cryptologist |
| Krypton | krypton |
| Kryptonym | cryptonym |
| Kleptomanie | kleptomania |
| Kantonese | Cantonese |
| Kantonesin | Cantonese |
| Kryostase | cryostasis |
| Kryptide | cryptid |
| Kryptozoikum | Cryptozoic |
| Krypte | crypt |
| kryptisch | cryptic concealed cryptical hidden secret |