excise vs gasoline tax

excise and gasoline tax both are nouns.

Word	Noun	Adjective	Verb	Adverb
excise	Yes	No	Yes	No
gasoline tax	Yes	No	No	No

As nouns, gasoline tax is a hyponym of excise; that is, gasoline tax is a word with a more specific, narrower meaning than excise:

excise: a tax that is measured by the amount of business done (not on property or income from real estate)
gasoline tax: a tax on every gallon of gasoline sold

Other hyponyms of excise include nuisance tax, sales tax, ad valorem tax.

excise (noun)	gasoline tax (noun)
a tax that is measured by the amount of business done (not on property or income from real estate)	a tax on every gallon of gasoline sold

excise (verb)	gasoline tax (verb)
remove by cutting
remove by erasing or crossing out or as if by drawing a line
levy an excise tax on