8
quartet
6
foursome
4
quadruplet
4
four(noun, four)
3
quad
2
quadruple
2
quaternion
2
quaternity
2
tetrad
1
quaternary
1
quadrigeminal
1
quadripartition
1
quadrivium
1
quadrumvirate
1
quadruplets
1
quartets
1
quatern
1
synergy(combination, cooperation, concurrence, coincidence, co-action)
1
tetralogy
0
assemblage
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APASmart Define. (2013). Quartette thesaurus. Retrieved September 22, 2026, from https://smartdefine.org/quartette/thesaurus/synonyms
ChicagoSmart Define. 2013. "Quartette thesaurus" https://smartdefine.org/quartette/thesaurus/synonyms (accessed September 22, 2026).
HarvardSmart Define 2013, Quartette thesaurus, Smart Define, viewed 22 September, 2026, <https://smartdefine.org/quartette/thesaurus/synonyms>.
MLASmart Define. "Quartette thesaurus" 17 June 2013. Web. 22 September 2026. <https://smartdefine.org/quartette/thesaurus/synonyms>