2
concomitant(adjective, subject, subordinate, collateral, additional)
2
contributory(adjective, support, spare, useful, minor)
2
extension
2
fitting(adjective, appropriate, applicable, germane, pertinent)
2
increase
2
increment
2
pat(adjective, appropriate, important, significant, consistent)
2
pointful(adjective, appropriate, important, proper, significant)
2
proper(adjective, appropriate, applicable, germane, pertinent)
2
supplement
2
supplemental(adjective, useful, minor, helpful, secondary)
2
support(adjective, supplementary)
1
accidental
1
accompanying(subordinate, additional, secondary, subsidiary, indirect)
1
accordant(important, significant, consistent, compatible, applicable)
1
ad rem(expression, adjective, appropriate, important, proper)
1
additive
1
admissible(important, significant, consistent, applicable, germane)
1
adventitious
1
affix
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APASmart Define. (2016). appurtenant thesaurus. Retrieved September 27, 2026, from https://smartdefine.org/appurtenant/thesaurus/synonyms
ChicagoSmart Define. 2016. "appurtenant thesaurus" https://smartdefine.org/appurtenant/thesaurus/synonyms (accessed September 27, 2026).
HarvardSmart Define 2016, appurtenant thesaurus, Smart Define, viewed 27 September, 2026, <https://smartdefine.org/appurtenant/thesaurus/synonyms>.
MLASmart Define. "appurtenant thesaurus" 29 March 2016. Web. 27 September 2026. <https://smartdefine.org/appurtenant/thesaurus/synonyms>