2
coalescence
2
collection(noun, growth, quantity, pile, gathering)
2
combination
2
combining
2
companion(noun, rest, match, balance, extra)
2
conglomeration(growth, quantity, pile, gathering, accretion)
2
contribution(noun, influence, say, gift, role)
2
count(noun, mark, total, account, estimate)
2
counting(noun, process, account, estimate, calculation)
2
deduction
2
earnings(noun, advance, increase, advantage, improvement)
2
elevation(noun, advance, increase, promotion)
2
embellishment(noun, extra, decoration, fixture)
2
estimation(estimate, calculation, reckoning, computation, numeration)
2
gaining(noun, gain, achievement, recovery, attainment)
2
getting hold of(noun, expression, idiom, achievement, attainment)
2
gush
2
incorporation(noun, raise, rise, growth, capture)
2
into the bargain(expression, idiom)
2
juxtaposition
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APASmart Define. (2015). addition thesaurus. Retrieved September 22, 2026, from https://smartdefine.org/addition/thesaurus/synonyms
ChicagoSmart Define. 2015. "addition thesaurus" https://smartdefine.org/addition/thesaurus/synonyms (accessed September 22, 2026).
HarvardSmart Define 2015, addition thesaurus, Smart Define, viewed 22 September, 2026, <https://smartdefine.org/addition/thesaurus/synonyms>.
MLASmart Define. "addition thesaurus" 22 December 2015. Web. 22 September 2026. <https://smartdefine.org/addition/thesaurus/synonyms>