regular polyhedron vs Platonic solid

regular polyhedron and Platonic solid both are nouns.

Word	Noun	Adjective	Verb	Adverb
regular polyhedron	Yes	No	No	No
Platonic solid	Yes	No	No	No

As nouns, regular polyhedron and Platonic solid are synonyms defined as:

regular polyhedron and Platonic solid: any one of five solids whose faces are congruent regular polygons and whose polyhedral angles are all congruent

Other synonyms of regular polyhedron include ideal solid, Platonic body, regular convex polyhedron, regular convex solid.

regular polyhedron (noun)	Platonic solid (noun)
any one of five solids whose faces are congruent regular polygons and whose polyhedral angles are all congruent	any one of five solids whose faces are congruent regular polygons and whose polyhedral angles are all congruent