gasoline engine vs automobile

gasoline engine and automobile both are nouns.

Word	Noun	Adjective	Verb	Adverb
gasoline engine	Yes	No	No	No
automobile	Yes	No	Yes	No

gasoline engine (noun)	automobile (noun)
an internal-combustion engine that burns gasoline; most automobiles are driven by gasoline engines	a motor vehicle with four wheels; usually propelled by an internal combustion engine

gasoline engine (verb)	automobile (verb)
	travel in an automobile