29 entries under double topic. ×

19
second(noun, adjective, adverb, duplication)
14
double(noun, adjective, duplication, couple)
13
dual(noun, adjective, couple, pair)
13
twin(noun, adjective, duplication, two)
11
couple(noun, group, match, same)
10
brace(noun, group, combination, match)
10
deuce(noun, combination, match, couple)
9
dyad(noun, combination, match, couple)
9
paired(adjective, twice as much)
8
span(noun, combination, match, couple)
5
doublet(noun, group, combination, match)
5
duplex(noun, adjective, duplication)
5
binary(noun, adjective, two)
5
dualistic(adjective, dual, two, twice)
5
dyadic(adjective, two)
5
twice(adjective, adverb, dual, binary)
4
bilateral(adjective, two)
4
duality(noun, combination, match, couple)
4
duplicate(noun, adjective, duplication)
3
bifurcated
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APASmart Define. (2015). two thesaurus. Retrieved September 20, 2026, from https://smartdefine.org/two/thesaurus/synonyms
ChicagoSmart Define. 2015. "two thesaurus" https://smartdefine.org/two/thesaurus/synonyms (accessed September 20, 2026).
HarvardSmart Define 2015, two thesaurus, Smart Define, viewed 20 September, 2026, <https://smartdefine.org/two/thesaurus/synonyms>.
MLASmart Define. "two thesaurus" 13 April 2015. Web. 20 September 2026. <https://smartdefine.org/two/thesaurus/synonyms>