| Kryptonit | Kryptonite |
| Krypton | krypton |
| Kryptonym | cryptonym |
| krypto- | crypto- |
| Kryotron | cryotron |
| Kryptide | cryptid |
| Kryptogame | cryptogam |
| Kryptojude | crypto-Jew |
| Kryptojüdin | crypto-Jew |
| Krypta | crypt |
| Krypte | crypt |
| Kryptologe | cryptologist |
| Kryptologie | cryptology |
| Kryptomnesie | cryptomnesia |
| kryptisch | cryptic concealed cryptical hidden secret |
| Bretonin | Breton |
| Kantonist | cantonist |
| oxytonirt | oxytonize |
| Bentonit | bentonite |
| Hypotonie | hypotension hypotonia hypotonicity |