18 entries under dual topic. ×

15
double(noun, adjective, part, double, duplication)
13
duplicate(noun, adjective, part, spare, double)
12
twin(noun, adjective, spare, double, identical)
10
twofold(adjective, part, spare, equal, double)
9
binary(adjective, part, double, accompaniment, second)
8
duple(adjective, part, spare, equal, double)
7
second(noun, adjective, double, duplication)
6
dualistic(adjective, spare, equal, double, identical)
5
geminate(adjective, part, second, twofold)
4
binate(adjective, accompaniment, second, twofold)
4
paired(adjective, double, second, twin)
3
bifold(adjective, double, duplication, second, twin)
2
duplicated(adjective, second, twofold)
2
twice(adjective, double, second, twofold)
1
coupled(adjective, double, second, twin)
0
as much again(expression, adjective, idiom, second)
0
repeated(adjective, second, twofold)
0
two times(expression, adjective, second, twofold)
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APASmart Define. (2015). duplex thesaurus. Retrieved September 22, 2026, from https://smartdefine.org/duplex/thesaurus/synonyms
ChicagoSmart Define. 2015. "duplex thesaurus" https://smartdefine.org/duplex/thesaurus/synonyms (accessed September 22, 2026).
HarvardSmart Define 2015, duplex thesaurus, Smart Define, viewed 22 September, 2026, <https://smartdefine.org/duplex/thesaurus/synonyms>.
MLASmart Define. "duplex thesaurus" 13 April 2015. Web. 22 September 2026. <https://smartdefine.org/duplex/thesaurus/synonyms>