retread vs auto tire

retread and auto tire both are nouns.

Word	Noun	Adjective	Verb	Adverb
retread	Yes	No	Yes	No
auto tire	Yes	No	No	No

As nouns, auto tire is a hypernym of retread; that is, auto tire is a word with a broader meaning than retread:

retread: a used automobile tire that has been remolded to give it new treads
auto tire: a tire consisting of a rubber ring around the rim of an automobile wheel

Other hypernyms of retread include automobile tire, car tire, rubber tire.

retread (noun)	auto tire (noun)
a used automobile tire that has been remolded to give it new treads	a tire consisting of a rubber ring around the rim of an automobile wheel

retread (verb)	auto tire (verb)
give new treads to (a tire)
use again in altered form