0
excess charge(expression, idiom)
0
fee(charge, extra, supplement, tariff)
0
graduated taxation
0
imposition
0
income tax(expression, idiom)
0
indirect tax
0
joint return
0
overcharge
0
progressive tax
0
ratable
0
separate returns
0
single tax
0
supplementary fee(expression, idiom)
0
tariff
0
tax-exempt status
0
tax base
0
tax dodging
0
tax evasion
0
tax exemption
0
tax return
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APASmart Define. (2015). surtax thesaurus. Retrieved September 24, 2026, from https://smartdefine.org/surtax/thesaurus/synonyms
ChicagoSmart Define. 2015. "surtax thesaurus" https://smartdefine.org/surtax/thesaurus/synonyms (accessed September 24, 2026).
HarvardSmart Define 2015, surtax thesaurus, Smart Define, viewed 24 September, 2026, <https://smartdefine.org/surtax/thesaurus/synonyms>.
MLASmart Define. "surtax thesaurus" 14 April 2015. Web. 24 September 2026. <https://smartdefine.org/surtax/thesaurus/synonyms>