radial vs stellate

radial is a noun but stellate is not a noun.

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

As adjectives, radial and stellate are synonyms defined as:

radial and stellate: arranged like rays or radii; radiating from a common center

Other synonyms of radial include radiate.

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

radial (adjective)	stellate (adjective)
relating to or moving along or having the direction of a radius	arranged like rays or radii; radiating from a common center
relating to or near the radius
issuing in rays from a common center; relating to rays of light
arranged like rays or radii; radiating from a common center