12
quadrilateral(noun, adjective)
5
square
5
triangle
4
tetragon
4
trapezoid bone(noun, expression, idiom)
3
os trapezoideum
3
quadrangle
2
cuboid
2
trapezium
2
trapezoidal
1
cusp
1
cubiform
1
decagon
1
dodecagon
1
dodecahedron
1
figure
1
foursquare
1
heptagon
1
hexagon
1
hexahedron
11 years ago|1.8k views|share |citing 
APASmart Define. (2015). trapezoid thesaurus. Retrieved September 21, 2026, from https://smartdefine.org/trapezoid/thesaurus/synonyms
ChicagoSmart Define. 2015. "trapezoid thesaurus" https://smartdefine.org/trapezoid/thesaurus/synonyms (accessed September 21, 2026).
HarvardSmart Define 2015, trapezoid thesaurus, Smart Define, viewed 21 September, 2026, <https://smartdefine.org/trapezoid/thesaurus/synonyms>.
MLASmart Define. "trapezoid thesaurus" 14 April 2015. Web. 21 September 2026. <https://smartdefine.org/trapezoid/thesaurus/synonyms>