29 entries under noun topic. ×
| quadrilateral | |
| rectangle | |
| rhombus | |
| square | |
| tetragon | |
| tetragram | |
| trapezoid | |
| humbug | |
| polyhedra |
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Octahedron on
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| APA | Smart Define. (2015). octahedron thesaurus. Retrieved October 2, 2026, from https://smartdefine.org/octahedron/thesaurus/synonyms |
| Chicago | Smart Define. 2015. "octahedron thesaurus" https://smartdefine.org/octahedron/thesaurus/synonyms (accessed October 2, 2026). |
| Harvard | Smart Define 2015, octahedron thesaurus, Smart Define, viewed 2 October, 2026, <https://smartdefine.org/octahedron/thesaurus/synonyms>. |
| MLA | Smart Define. "octahedron thesaurus" 14 April 2015. Web. 2 October 2026. <https://smartdefine.org/octahedron/thesaurus/synonyms> |