DODECAHEDRON
octanoianogon
Dodecahedron
There is no such shape.
A quadrilateral is a shape that has four sides and has 13 letters in its name.
A shape that has a name consisting of seven letters could be a hexagon. A hexagon is a six-sided polygon.
A 2D shape that has four sides and is thirteen letters long is a quadrilateral.
vv
Diamond.
pentagon
A shape with sides of equal length is referred to as REGULAR. This has 7 letters.
It is polygon but this type of shape is a nonagon.
octogon