3
supplemental(useful, minor, helpful, secondary, lesser)
3
useful(adjective, minor, helpful, secondary, favorable)
2
advantageous
2
appurtenant(adjective, support, spare, useful, minor)
2
assistant(adjective, help, spare, minor, helpful)
2
beneficial
2
responsible(adjective, result)
2
secondary(adjective, support, low, spare, inferior)
2
serviceable(useful, minor, helpful, secondary, lesser)
2
spare(adjective, support, auxiliary, supplementary)
2
support(adjective, supplementary)
2
therapeutic
1
acceding
1
aidful
1
another
1
baser(low, subject, minor, collateral, secondary)
1
below par(expression, low, subject, minor, secondary)
1
concessive
1
constructive
1
contributor
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APASmart Define. (2015). contributory thesaurus. Retrieved September 21, 2026, from https://smartdefine.org/contributory/thesaurus/synonyms
ChicagoSmart Define. 2015. "contributory thesaurus" https://smartdefine.org/contributory/thesaurus/synonyms (accessed September 21, 2026).
HarvardSmart Define 2015, contributory thesaurus, Smart Define, viewed 21 September, 2026, <https://smartdefine.org/contributory/thesaurus/synonyms>.
MLASmart Define. "contributory thesaurus" 10 April 2015. Web. 21 September 2026. <https://smartdefine.org/contributory/thesaurus/synonyms>