104 entries under co-action topic. ×

5
combined effort(noun, expression, aid, combination, service)
5
coadministration(noun, combination, cooperation, concurrence, coincidence)
5
coagency(noun, combination, cooperation, concurrence, coincidence)
5
common effort(noun, combination, cooperation, concurrence, coincidence)
5
conjunction(noun, junction, cooperation, combination, concurrence)
5
joining of forces(noun, expression, idiom, combination, cooperation)
5
mutualism(noun, combination, cooperation, concurrence, coincidence)
5
quartet(noun, combination, cooperation, concurrence, coincidence)
4
cahoots(noun, support, help, aid, combination)
4
duet(noun, combination, cooperation, concurrence, coincidence)
4
accompaniment(noun, combination, cooperation, concurrence, coincidence)
4
bipartisanship(noun, combination, cooperation, concurrence, coincidence)
4
cochairmanship(noun, combination, cooperation, concurrence, coincidence)
4
codirectorship(noun, combination, cooperation, concurrence, coincidence)
4
collectivism(noun, combination, cooperation, concurrence, coincidence)
4
collectivity(noun, combination, cooperation, concurrence, coincidence)
4
collusion(noun, combination, cooperation, concurrence, coincidence)
4
commensalism(noun, combination, cooperation, concurrence, coincidence)
4
common enterprise(noun, combination, cooperation, concurrence, coincidence)
4
confederation(noun, support, help, aid, combination)
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APASmart Define. (2015). synergy thesaurus. Retrieved September 30, 2026, from https://smartdefine.org/synergy/thesaurus/synonyms
ChicagoSmart Define. 2015. "synergy thesaurus" https://smartdefine.org/synergy/thesaurus/synonyms (accessed September 30, 2026).
HarvardSmart Define 2015, synergy thesaurus, Smart Define, viewed 30 September, 2026, <https://smartdefine.org/synergy/thesaurus/synonyms>.
MLASmart Define. "synergy thesaurus" 13 April 2015. Web. 30 September 2026. <https://smartdefine.org/synergy/thesaurus/synonyms>