tax vs imposition

tax and imposition both are nouns.

Word	Noun	Adjective	Verb	Adverb
tax	Yes	No	Yes	No
imposition	Yes	No	No	No

tax (noun)	imposition (noun)
charge against a citizen's person or property or activity for the support of government	the act of imposing something (as a tax or an embargo)
	an uncalled-for burden

tax (verb)	imposition (verb)
make a charge against or accuse
use to the limit
levy a tax on
set or determine the amount of (a payment such as a fine)