parallelogram Synonyms

cube quadrangle quadrilateral rectangle rectangularity rhomb rhombic rhomboid rhomboidal rhombus square tetragon tetrahedron trapezium trapezoid triangle polygon pentahedron pentagon decagon diamond dodecagon dodecahedron figure heptagon hexagon lozenge oblique-angled oblong octagon oxygon parallel parallelogrammatic parallelogrammic four-sided figure