taxation vs capitation

taxation and capitation both are nouns.

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

As nouns, capitation is a hyponym of taxation; that is, capitation is a word with a more specific, narrower meaning than taxation:

taxation: charge against a citizen's person or property or activity for the support of government
capitation: a tax levied on the basis of a fixed amount per person

taxation (noun)	capitation (noun)
the imposition of taxes; the practice of the government in levying taxes on the subjects of a state	a tax levied on the basis of a fixed amount per person
charge against a citizen's person or property or activity for the support of government
government income due to taxation