figure it out yourself..
Quartz, quarry, quarter, quill, quilt and quail are solid things that begin with the letter Q.
You could use fixed, rigid, solid, stiff, or tough as a synonym for unyielding.
it is purify
Solid figures are normally named after their number of faces.
'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
A decaredra is the ten face solid figure.