11
parallelogram(noun, square, diamond, angularity, oblong)
9
quadrilateral(noun, square, diamond, angularity, oblong)
7
quadrangle(noun, figure, angularity, quadrilateral)
7
rectangle(noun, square, diamond, angularity, oblong)
5
rhomb(noun, angularity)
5
diamond(noun, angularity, gemstone)
5
cube
5
lozenge(noun, angularity)
5
triangle(noun, angularity)
4
decagon(noun, angularity)
4
square(noun, angularity)
4
figure
4
hexagon(noun, angularity)
4
octagon(noun, angularity)
4
pentagon(noun, angularity)
4
polygon(noun, angularity)
3
rhomboid
3
equilateral
2
heptagon(noun, angularity)
1
dodecagon
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APASmart Define. (2015). rhombus thesaurus. Retrieved September 20, 2026, from https://smartdefine.org/rhombus/thesaurus/synonyms
ChicagoSmart Define. 2015. "rhombus thesaurus" https://smartdefine.org/rhombus/thesaurus/synonyms (accessed September 20, 2026).
HarvardSmart Define 2015, rhombus thesaurus, Smart Define, viewed 20 September, 2026, <https://smartdefine.org/rhombus/thesaurus/synonyms>.
MLASmart Define. "rhombus thesaurus" 13 April 2015. Web. 20 September 2026. <https://smartdefine.org/rhombus/thesaurus/synonyms>