A nine-sided object is known as a nonagon.
A triangular prism is a 3-d object. It does not have a 2-d name because it is not a 2-d object!
A quadrilateral
Heptagon .
Octagon.
[object Object]
[object Object]
Sometimes it is - a noun is a name of an object (or type of object), or of an idea.
Granado
Telemachus
The unofficial name for object 2003 VB12 is "Sedna."
[object Object]
[object Object]
[object Object]
Mara
[object Object]
If you mean 'are identifier of an object and nameof an object synonyms?', then yes, they are.