1. (noun) a secret method of writing

• cipher
• cypher
• secret code

2. (noun) a piece of writing in code or cipher

• cryptogram
• secret writing

1. (noun) a secret method of writing

• code

2. (noun) a piece of writing in code or cipher

• piece of writing
• writing
• written material

3. (noun) a device for deciphering codes and ciphers

• device

1. (noun) a secret method of writing

• cipher
• cipher
• code
• code
• cypher
• cypher
• encipher
• encipher
• encrypt
• encrypt
• inscribe
• inscribe
• write in code
• write in code