| Answer | Crossword Clue |
|---|---|
| scytale | a Spartan secret writing |
| scytales | SCYTALE, a Spartan secret writing |
| ciphering | Put (a message) into secret writing; encode |
| ciphered | Put (a message) into secret writing; encode |
| cyphered | Put (a message) into secret writing; encode |
| cyphering | Put (a message) into secret writing; encode |
| ciphers | A secret or disguised way of writing; a code |
