70 entries under union topic. ×

6
federation(noun, support, help, aid, combination)
6
intermixture(noun, combination, stir, mix)
6
merging(noun, combination, combine, association)
6
mingling(noun, cross, combination, combine)
6
mix(noun, cross, combination, assemble, complex)
5
confederacy(noun, support, help, aid, combination)
4
conjunction(noun, agreement, combine, accord, association)
4
league(noun, company, understanding, love, agreement)
4
meld(noun, verb, combination, mix)
3
coadunation(noun, agreement, combination, combine, stir)
3
combine(noun, verb, cross, combination, association)
3
joining(noun, agreement, combination, accord)
3
partnership(noun, support, help, aid, combination)
2
affiliation(noun, combination, combine, association)
2
cahoots(noun, support, help, aid)
2
connection(noun, combination, blend, mixture)
2
conspiracy(noun, support, help, aid, combination)
2
melding(noun, agreement, combination, combine, association)
2
solidification(alliance, merging)
2
tie-in(noun, agreement, combination, accord)
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APASmart Define. (2015). fusion thesaurus. Retrieved September 25, 2026, from https://smartdefine.org/fusion/thesaurus/synonyms
ChicagoSmart Define. 2015. "fusion thesaurus" https://smartdefine.org/fusion/thesaurus/synonyms (accessed September 25, 2026).
HarvardSmart Define 2015, fusion thesaurus, Smart Define, viewed 25 September, 2026, <https://smartdefine.org/fusion/thesaurus/synonyms>.
MLASmart Define. "fusion thesaurus" 21 December 2015. Web. 25 September 2026. <https://smartdefine.org/fusion/thesaurus/synonyms>