revenue vs taxation

revenue and taxation both are nouns.

Word	Noun	Adjective	Verb	Adverb
revenue	Yes	No	No	No
taxation	Yes	No	No	No

As nouns, revenue and taxation are synonyms defined as:

Other synonyms of revenue include tax income, tax revenue.

revenue (noun)	taxation (noun)
the entire amount of income before any deductions are made	the imposition of taxes; the practice of the government in levying taxes on the subjects of a state
government income due to taxation	charge against a citizen's person or property or activity for the support of government
	government income due to taxation