| Kryptonym | cryptonym |
| Krypton | krypton |
| Kryptonit | Kryptonite |
| Kryptogame | cryptogam |
| krypto- | crypto- |
| Protonym | protonym |
| Hyponym | hyponym |
| Kohyponym | cohyponym |
| Kryotron | cryotron |
| Kryptide | cryptid |
| Kryptojude | crypto-Jew |
| Krypta | crypt |
| Krypte | crypt |
| Kryptologe | cryptologist |
| kryptisch | cryptic concealed cryptical hidden secret |
| Metonym | metonym |
| Oxytonum | oxytone |
| Antonym | antonym |
| Eponym | eponym |
| Retronym | retronym |