graduated tax vs progressive tax

graduated tax and progressive tax both are nouns.

Word	Noun	Adjective	Verb	Adverb
graduated tax	Yes	No	No	No
progressive tax	Yes	No	No	No

As nouns, graduated tax and progressive tax are synonyms defined as:

graduated tax and progressive tax: any tax in which the rate increases as the amount subject to taxation increases

graduated tax (noun)	progressive tax (noun)
any tax in which the rate increases as the amount subject to taxation increases	any tax in which the rate increases as the amount subject to taxation increases