Cryptograms are fascinating puzzles that involve decoding secret messages by using substitution ciphers. They have been used for centuries to communicate private information and to test one's intelligence and problem-solving skills. There are several synonyms for the word cryptograms, including code puzzles, secret codes, cipher puzzles, and encoded messages. Each of these terms describes the same type of puzzle, where a hidden message must be deciphered using a specific set of rules or clues. Whether you prefer to call them cryptograms or any of their synonyms, these puzzles provide a thrilling challenge that can keep your mind engaged for hours on end.