10
interjection(noun, interruption, supplement, interposition, pullout)
9
insertion(noun, opening, addition, establishment, introduction)
7
addition(verb, opening, establishment, introduction, insert)
6
interposition(noun, interposition)
5
insert
5
intercalation(noun, interposition)
5
introduction(noun, new, opening, something, supplement)
4
approximation
4
differentiation
4
division
4
evolution
4
infusion
4
integration
4
interpellation
3
aside(noun, statement)
3
commentary(noun, dissertation)
3
interlineation
3
intromission
3
involution
3
multiplication
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APASmart Define. (2015). interpolation thesaurus. Retrieved September 20, 2026, from https://smartdefine.org/interpolation/thesaurus/synonyms
ChicagoSmart Define. 2015. "interpolation thesaurus" https://smartdefine.org/interpolation/thesaurus/synonyms (accessed September 20, 2026).
HarvardSmart Define 2015, interpolation thesaurus, Smart Define, viewed 20 September, 2026, <https://smartdefine.org/interpolation/thesaurus/synonyms>.
MLASmart Define. "interpolation thesaurus" 10 April 2015. Web. 20 September 2026. <https://smartdefine.org/interpolation/thesaurus/synonyms>