gasoline vs gasolene

gasoline and gasolene both are nouns.

Word	Noun	Adjective	Verb	Adverb
gasoline	Yes	No	No	No
gasolene	Yes	No	No	No

As nouns, gasoline and gasolene are synonyms defined as:

gasoline and gasolene: a volatile flammable mixture of hydrocarbons (hexane and heptane and octane etc.) derived from petroleum; used mainly as a fuel in internal-combustion engines

Other synonyms of gasoline include gas, petrol.

gasoline (noun)	gasolene (noun)
a volatile flammable mixture of hydrocarbons (hexane and heptane and octane etc.) derived from petroleum; used mainly as a fuel in internal-combustion engines	a volatile flammable mixture of hydrocarbons (hexane and heptane and octane etc.) derived from petroleum; used mainly as a fuel in internal-combustion engines