trapezium

pilaster, rhombus, tetrahedron, equilateral triangle, semicircles, rectangle, ogee, dodecahedron, isosceles triangle, conic, crenellations, lamella, hexagon, isosceles, polyhedron, rhomboid, gable roof, ellipsoid, cruciform, newel post, radiator grille, bevels, corbel, hipped roof, crosspieces, mullions, convex, cantilevering, gnomon, transept, swage, valance, cuboid, trapezoid, peapod, ellipse, concave, sawtooth, binnacle, oculus, quoins, hexagram, fingerlike, aerofoil, tonneau, foglamp, serifs, triangular prism, corrugation, apse, sheave, roofline, diffusor, tesserae, gothic arch, grillwork, crossbeams, pintle, trapezium, baluster, lunette, tracery, tympanum, dihedral, mansard, arches, openwork, spandrels, octahedron, louvres, casement window, jamb, featherlike, nosepiece, bullnose, torsion bar, concavity, strakes, octagons, bedplate, stipple, synclinal, splines, geometry, reredos, pawl, trunnion, plumb bob, protrusion, keyways, casement, curvature, fanlight, commissure, toroid, chamfer, diagonals, piston rod, frustum, horizontality, volute, rearwards, parallelograms, triangle, quadrilateral, rectangles, triangles, octagon, square, pentagon, polygon, semicircle, circle, cube, oval, parallelepiped, quadrangle

rhomb

rectangle, rhomb, rhomboid, rhombus, shear

tetragon