14
code(noun, secret, document, cipher)
11
cipher(noun, secret, document, code)
8
mystery(noun, difficulty, question, secret, puzzle)
7
enigma(noun, difficulty, question, secret, puzzle)
7
riddle(noun, difficulty, question, secret, puzzle)
6
cryptograph(noun, code, cipher)
6
problem(noun, difficulty, question, secret, puzzle)
4
puzzle(noun, difficulty, question, secret, obscurity)
4
secret writing(noun, expression, idiom)
3
brainteaser(noun, difficulty, question, secret, puzzle)
3
poser(noun, difficulty, question, secret, puzzle)
2
cryptography
2
cypher
2
figure(noun, document)
2
maze(noun, secret)
2
puzzlement(question, secret, puzzle, obscurity, knot)
2
representation(noun, document)
2
secret language(expression, idiom)
2
sixty-four-thousand-dollar question(expression, difficulty, question, secret, puzzle)
2
stickler(difficulty, question, secret, puzzle, knot)
<123458>
11 years ago|2.9k views|share |citing 
APASmart Define. (2015). cryptogram thesaurus. Retrieved September 21, 2026, from https://smartdefine.org/cryptogram/thesaurus/synonyms
ChicagoSmart Define. 2015. "cryptogram thesaurus" https://smartdefine.org/cryptogram/thesaurus/synonyms (accessed September 21, 2026).
HarvardSmart Define 2015, cryptogram thesaurus, Smart Define, viewed 21 September, 2026, <https://smartdefine.org/cryptogram/thesaurus/synonyms>.
MLASmart Define. "cryptogram thesaurus" 14 April 2015. Web. 21 September 2026. <https://smartdefine.org/cryptogram/thesaurus/synonyms>