Yes
There is no specific name for such shapes.
There is no special name that distinguishes shapes with more than four sides from shapes with four or fewer.
There is no special name: they are polygons, as are shapes with 3 or 3 million sides.
All of them are both quadrilaterals and quadrangles. That's two names!
Polygon.
Nothing
There is no special name to distinguish shapes with more than 14 sides from those with 14 or fewer.
A shape with three or more sides is a polygon. Not sure there is a special name for 4 or more sides.
There is no specific term that distinguished between shapes with more than 11 sides from those with up to 11 sides.
lots of them, depends on what kind, but one is polygons
In two dimensions, all sorts of triangles. In 3 or more dimensions there is no specific name for shapes with three vertices.
all of the shapes