| Kryptogame | cryptogam |
| Kryptojude | crypto-Jew |
| Kryptografie | cryptography |
| Kryptologe | cryptologist |
| Kryptonym | cryptonym |
| Kryptide | cryptid |
| Kryptographie | cryptography |
| Kryptokratie | cryptocracy |
| Krypta | crypt |
| Krypte | crypt |
| Kryptologie | cryptology |
| Krypton | krypton |
| Kryptonit | Kryptonite |
| krypto- | crypto- |
| Kleptomane | kleptomaniac |
| Hypogamie | hypogamy |
| Kryostase | cryostasis |
| Kryptojüdin | crypto-Jew |
| Kryptomnesie | cryptomnesia |
| kryptisch | cryptic concealed cryptical hidden secret |