radial vs symmetrical

radial is a noun but symmetrical is not a noun.

Word	Noun	Adjective	Verb	Adverb
radial	Yes	Yes	No	No
symmetrical	No	Yes	No	No

radial (noun)	symmetrical (noun)
pneumatic tire that has radial-ply casing

radial (adjective)	symmetrical (adjective)
relating to or moving along or having the direction of a radius	having similarity in size, shape, and relative position of corresponding parts
relating to or near the radius	exhibiting equivalence or correspondence among constituents of an entity or between different entities
issuing in rays from a common center; relating to rays of light
arranged like rays or radii; radiating from a common center