2
sneak
2
snitch
2
solicit
2
sop
2
souse
2
sting
2
stuff
2
tariff(noun, outlay, expenditure, disbursement)
2
tribute
1
accession(noun, extra, supplement, appendage, add-on)
1
addendum(noun, extra, supplement, appendage, add-on)
1
addition(noun, extra, supplement, appendage, add-on)
1
additional tax(expression, idiom)
1
adjunct(noun, extra, supplement, appendage, add-on)
1
aerate(verb, increase, raise, boost, swell)
1
aggrandize(verb, increase, raise, boost, swell)
1
amplify(verb, increase, raise, boost, swell)
1
annex(noun, extra, supplement, appendage, add-on)
1
appendage(noun, extra, supplement, add-on)
1
assessment(outlay, expenditure, disbursement)
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APASmart Define. (2015). surcharge thesaurus. Retrieved September 25, 2026, from https://smartdefine.org/surcharge/thesaurus/synonyms
ChicagoSmart Define. 2015. "surcharge thesaurus" https://smartdefine.org/surcharge/thesaurus/synonyms (accessed September 25, 2026).
HarvardSmart Define 2015, surcharge thesaurus, Smart Define, viewed 25 September, 2026, <https://smartdefine.org/surcharge/thesaurus/synonyms>.
MLASmart Define. "surcharge thesaurus" 10 April 2015. Web. 25 September 2026. <https://smartdefine.org/surcharge/thesaurus/synonyms>