14
mystery(noun, difficulty, question, secret, puzzle)
10
enigma(noun, question, secret, puzzle, subtlety)
7
closed book(noun, expression, idiom, question, secret)
6
mystery story(noun, expression, idiom, mystery)
6
riddle(noun, difficulty, question, secret, puzzle)
6
secret(noun, question, puzzle, perplexity, obscurity)
5
brain-teaser(noun, mystery)
5
detective story(noun, expression, idiom, doubt, page-turner)
4
arcanum(noun, mystery)
4
thriller(noun, question, secret, puzzle, subtlety)
3
detective novel(expression, idiom)
3
story
2
allegory
2
book
2
fable
2
fabliau
2
fairy tale
2
gest
2
murder mystery(noun, expression, doubt, page-turner)
2
myth
<123458>
10 years ago|2.7k views|share |citing 
APASmart Define. (2016). whodunit thesaurus. Retrieved September 20, 2026, from https://smartdefine.org/whodunit/thesaurus/synonyms
ChicagoSmart Define. 2016. "whodunit thesaurus" https://smartdefine.org/whodunit/thesaurus/synonyms (accessed September 20, 2026).
HarvardSmart Define 2016, whodunit thesaurus, Smart Define, viewed 20 September, 2026, <https://smartdefine.org/whodunit/thesaurus/synonyms>.
MLASmart Define. "whodunit thesaurus" 1 April 2016. Web. 20 September 2026. <https://smartdefine.org/whodunit/thesaurus/synonyms>