A figure that has 6 rectangular faces is called a rectangular prism .
A hexahedron is a solid with six plane faces, and a cuboid is a six-sided figure each face of which is a rectangle.
'Enneahedron' - a solid figure with nine faces
A solid figure with twenty faces is called an Icosahedron.
were two or more faces of a solid figure
It is a rectangular based pyramid that would fit the given description.
A decaredra is the ten face solid figure.