11 entries under four topic. ×
| square(noun, figure, piece, square, diamond) | |
| quadrilateral(noun, square, diamond, angularity) | |
| quadrangle(noun, figure, angularity, quadrilateral) | |
| tetragon | |
| quadrature(noun, angularity) | |
| four | |
| foursome | |
| quadrille | |
| quartet | |
| quadrennium | |
| tetract |
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| APA | Smart Define. (2016). rectangle thesaurus. Retrieved September 22, 2026, from https://smartdefine.org/rectangle/thesaurus/synonyms |
| Chicago | Smart Define. 2016. "rectangle thesaurus" https://smartdefine.org/rectangle/thesaurus/synonyms (accessed September 22, 2026). |
| Harvard | Smart Define 2016, rectangle thesaurus, Smart Define, viewed 22 September, 2026, <https://smartdefine.org/rectangle/thesaurus/synonyms>. |
| MLA | Smart Define. "rectangle thesaurus" 11 February 2016. Web. 22 September 2026. <https://smartdefine.org/rectangle/thesaurus/synonyms> |