45 entries under noun topic. ×

18
octagon
12
triangle(shape, angularity)
11
hexagon
10
decagon
10
pentagon
8
heptagon
8
rectangle(angularity, quadrilateral)
7
square(adjective, abode, angularity)
6
quadrilateral(form, shape, angularity)
5
parallelogram
4
dodecagon
4
quadrangle
3
rhombus
3
hexagons
3
nonagon
2
dodecahedron
1
hexahedron
1
pentangle
1
tetragon
1
trapezoid(form, shape, quadrilateral)
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APASmart Define. (2015). polygon thesaurus. Retrieved September 24, 2026, from https://smartdefine.org/polygon/thesaurus/synonyms
ChicagoSmart Define. 2015. "polygon thesaurus" https://smartdefine.org/polygon/thesaurus/synonyms (accessed September 24, 2026).
HarvardSmart Define 2015, polygon thesaurus, Smart Define, viewed 24 September, 2026, <https://smartdefine.org/polygon/thesaurus/synonyms>.
MLASmart Define. "polygon thesaurus" 14 April 2015. Web. 24 September 2026. <https://smartdefine.org/polygon/thesaurus/synonyms>