radial tire vs radial-ply tire

radial tire and radial-ply tire both are nouns.

Word	Noun	Adjective	Verb	Adverb
radial tire	Yes	No	No	No
radial-ply tire	Yes	No	No	No

As nouns, radial tire and radial-ply tire are synonyms defined as:

radial tire and radial-ply tire: pneumatic tire that has radial-ply casing

Other synonyms of radial tire include radial.

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