Now updated for CSW19. New words, if any, and new inflections of existing words, are shown in red.
| cipher | a type of code; (verb) to encipher. |
| cipherer | one who ciphers. |
| ciphertext | enciphered text. |
| codebook | a book listing words and their coded equivalents. |
| cryptanalysis | the decipherment of code. |
| cryptanalyst | one who deciphers codes. |
| cryptanalytic | relating to cryptanalysis, the decipherment of code. |
| cryptanalytical | relating to cryptanalysis, the decipherment of code. |
| cryptarithm | an arithmetic problem in which letters have been substituted for numbers and which is solved by finding all possible pairings of digits with letters that produce a numerically correct answer. |
| cryptogram | anything written in cipher. |
| cryptograph | anything written in cipher. |
| cryptographer | a specialist in cryptography. |
| cryptographic | of, relating to, or using cryptography. |
| cryptographical | of, relating to, or using cryptography. |
| cryptographist | one who studies cryptographs. |
| cryptography | secret writing. |
| cryptologic | relating to cryptology, the scientific study of codes. |
| cryptological | relating to cryptology, the scientific study of codes. |
| cryptologist | a student of cryptology, the scientific study of codes. |
| cryptology | the scientific study of codes. |
| cypher | a type of code; (verb) to write in cypher. |
| decipher | to determine the meaning of. |
| decipherable | capable of being deciphered. |
| decipherer | one who deciphers. |
| decipherment | the act of deciphering. |
| decodable | that can be decoded. |
| decode | to convert a coded message into plain language. |
| decoder | one that decodes. |
| decrypt | to decode. |
| decryption | the act of decrypting. |
| encipher | to write in characters of hidden meaning. |
| encipherer | one who enciphers. |
| encode | to put into code. |
| encodement | the act of encoding. |
| encoder | one who encodes. |
| encrypt | to encipher. |
| encryption | the act of encrypting. |
| steganogram | a cryptogram. |
| steganograph | a cryptogram. |
| steganographer | a cryptographer; one who works with ciphers. |
| steganographic | relating to steganography, the practice of concealing digital data within some of the pixels of an image. |
| steganographist | one who practises steganography. |
| steganography | the practice of concealing digital data within some of the pixels of an image. |
| uncipher | (Obs.) to decipher. |
| uncoded | not coded. |