bike vs automotive vehicle

bike and automotive vehicle both are nouns.

Word	Noun	Adjective	Verb	Adverb
bike	Yes	No	Yes	No
automotive vehicle	Yes	No	No	No

As nouns, automotive vehicle is a hypernym of bike; that is, automotive vehicle is a word with a broader meaning than bike:

bike: a motor vehicle with two wheels and a strong frame
automotive vehicle: a self-propelled wheeled vehicle that does not run on rails

Other hypernyms of bike include motor vehicle.

bike (noun)	automotive vehicle (noun)
a wheeled vehicle that has two wheels and is moved by foot pedals	a self-propelled wheeled vehicle that does not run on rails
a motor vehicle with two wheels and a strong frame

bike (verb)	automotive vehicle (verb)
ride a bicycle