3
harmony(noun, music)
3
quadrature(noun, four)
3
quadrennium(noun, four)
3
quadrille(noun, four)
3
quadruple
3
quintet(company, group, cast, band, collection)
3
sextet(company, group, cast, band, collection)
3
symphony(noun, music)
3
synergy(combination, cooperation, concurrence, coincidence, co-action)
3
troupe(noun, company, group, cast, band)
2
concert(noun, music)
2
Little Joe
2
chorus(noun, company, music, group, cast)
2
combo
2
composition(noun, music)
2
concord
2
concordance
2
concurrence
2
cooperation
2
cooperativeness
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APASmart Define. (2015). quartet thesaurus. Retrieved September 22, 2026, from https://smartdefine.org/quartet/thesaurus/synonyms
ChicagoSmart Define. 2015. "quartet thesaurus" https://smartdefine.org/quartet/thesaurus/synonyms (accessed September 22, 2026).
HarvardSmart Define 2015, quartet thesaurus, Smart Define, viewed 22 September, 2026, <https://smartdefine.org/quartet/thesaurus/synonyms>.
MLASmart Define. "quartet thesaurus" 14 April 2015. Web. 22 September 2026. <https://smartdefine.org/quartet/thesaurus/synonyms>