11
paired(adjective, like, quantity, duplicate, double)
11
replica(noun, adjective, reproduction, report, figure)
10
couple(noun, verb, make, division, combine)
10
dual(noun, adjective, like, duplicate, double)
10
duplex(noun, adjective, spare, double, identical)
10
look-alike(noun, adjective, reproduction, like, copy)
10
same(noun, adjective, close, like, exact)
10
similar(adjective, close, like, exact, equal)
9
alike(adjective, adverb, close, like, exact)
9
indistinguishable(adjective, like, exact, spare, equal)
9
ringer(noun, reproduction, like, report, figure)
9
similitude(noun, report, figure, piece, copy)
9
twinned(adjective, double)
8
companion(noun, adjective, reproduction, like, copy)
8
corresponding(adjective, close, like, exact, spare)
8
joint(adjective, like, duplicate, similar, identical)
8
parallel
8
selfsame(adjective, close, like, exact, equal)
7
accompanying(adjective, like, duplicate, similar, identical)
7
binary(noun, adjective, like, duplicate, double)
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APASmart Define. (2015). twin thesaurus. Retrieved September 23, 2026, from https://smartdefine.org/twin/thesaurus/synonyms
ChicagoSmart Define. 2015. "twin thesaurus" https://smartdefine.org/twin/thesaurus/synonyms (accessed September 23, 2026).
HarvardSmart Define 2015, twin thesaurus, Smart Define, viewed 23 September, 2026, <https://smartdefine.org/twin/thesaurus/synonyms>.
MLASmart Define. "twin thesaurus" 23 December 2015. Web. 23 September 2026. <https://smartdefine.org/twin/thesaurus/synonyms>