66 entries under noun topic. ×

14
code(secret, document, cipher)
11
cipher(secret, document, code)
8
mystery(difficulty, question, secret, puzzle)
7
enigma(difficulty, question, secret, puzzle)
7
riddle(difficulty, question, secret, puzzle)
6
cryptograph(code, cipher)
6
problem(difficulty, question, secret, puzzle)
4
puzzle(difficulty, question, secret, obscurity)
4
secret writing(expression, idiom)
3
brainteaser(difficulty, question, secret, puzzle)
3
poser(difficulty, question, secret, puzzle)
2
cryptography
2
cypher
2
figure
2
maze
2
representation
2
writing
1
perplexity(difficulty, question, secret, puzzle)
1
symbols
1
token
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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>