automobile tire vs tyre

automobile tire and tyre both are nouns.

Word	Noun	Adjective	Verb	Adverb
automobile tire	Yes	No	No	No
tyre	Yes	No	No	No

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

automobile tire: a tire consisting of a rubber ring around the rim of an automobile wheel
tyre: hoop that covers a wheel

Other hypernyms of automobile tire include tire.

automobile tire (noun)	tyre (noun)
a tire consisting of a rubber ring around the rim of an automobile wheel	hoop that covers a wheel