#enigmatics

• Analogrif — A specialized term in enigmatics designating a word game or a puzzle based on the structural modification of a term by replacing letters according to an analogical algorithm or a pre-established grid of correspondences. This type of puzzle or structural anagram tests the player's ability to identify symmetrical linguistic patterns and reconstruct the hidden word using proportional semantic clues.
• Arithmogriph — A puzzle or crossword game in which letters are replaced by numbers according to a set key; a cryptogram or coded crossword. Solving it requires identifying the unique correspondence between each number and its associated letter to reconstruct the hidden words or message.