12
threesome(noun, group, three, trio, triangle)
12
triad(noun, group, trio, leash, triangle)
12
trinity(noun, group, three, trio, leash)
11
ternary(noun, adjective, treble, triplication)
11
trio(noun, group, three, triangle, triptych)
11
triplet(noun, trio, leash, triangle, triptych)
11
troika(noun, group, trio, leash, triangle)
10
triple(noun, adjective, group, three, trio)
8
ternion(noun, trio, leash, triangle, triplet)
8
three(noun, group, trio, triangle)
7
leash
7
trey(noun, trio, leash, triangle, triplet)
6
tercet
6
triplicate(noun, trio, leash, triangle, triplet)
5
III
5
threefold(adjective, treble, triplication)
5
treble
5
triumvirate(noun, group, trio, leash, triangle)
5
triune(noun, group, trio, leash, triangle)
4
3
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APASmart Define. (2015). trine thesaurus. Retrieved September 20, 2026, from https://smartdefine.org/trine/thesaurus/synonyms
ChicagoSmart Define. 2015. "trine thesaurus" https://smartdefine.org/trine/thesaurus/synonyms (accessed September 20, 2026).
HarvardSmart Define 2015, trine thesaurus, Smart Define, viewed 20 September, 2026, <https://smartdefine.org/trine/thesaurus/synonyms>.
MLASmart Define. "trine thesaurus" 14 April 2015. Web. 20 September 2026. <https://smartdefine.org/trine/thesaurus/synonyms>