104 entries under noun topic. ×

24
trigon(form, characteristic, archaic, angularity)
14
trident(three, triality)
13
tripod(three, triality)
10
trilateral
10
triplet(three, trio, leash, triality)
8
trio(three, triality, triptych, troika)
8
triad(three, trio, leash, triality)
7
three(three, trio, triple, triality)
6
Triangulum
5
hexagon
5
polygon
5
delta
5
threesome(three, trio)
5
troika(three, trio, leash, triplet)
5
trey(trio, leash, triality, triplet)
5
trilogy(three, trio, leash, triplet)
5
triptych(three, trio, leash, triplet)
3
heptagon
3
octagon
3
rectangle
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APASmart Define. (2016). triangle thesaurus. Retrieved September 23, 2026, from https://smartdefine.org/triangle/thesaurus/synonyms
ChicagoSmart Define. 2016. "triangle thesaurus" https://smartdefine.org/triangle/thesaurus/synonyms (accessed September 23, 2026).
HarvardSmart Define 2016, triangle thesaurus, Smart Define, viewed 23 September, 2026, <https://smartdefine.org/triangle/thesaurus/synonyms>.
MLASmart Define. "triangle thesaurus" 31 March 2016. Web. 23 September 2026. <https://smartdefine.org/triangle/thesaurus/synonyms>