1
affinity(noun, connection, link, association, relation)
1
alliance(noun, connection, link, association, relation)
1
allowable(important, significant, consistent, related, compatible)
1
allusive
1
almost
1
analogy
1
ancestral(adjective, kindred)
1
ancestry
1
appertaining
1
applicatory(important, significant, consistent, related, applicable)
1
approaching(adjective, reasonable, like, fair, approximate)
1
appurtenant(adjective, important, susceptible, applicable, pertinent)
1
appurtenant to(verb, phrasal verb, relation)
1
associative
1
auxiliary
1
becoming(important, significant, consistent, compatible, applicable)
1
bond(noun, connection, association, relation)
1
brother-in-law(noun, connection, relation, kin, member)
1
brotherhood(noun, kinship)
1
brotherly(adjective, kindred)
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APASmart Define. (2015). relative thesaurus. Retrieved September 24, 2026, from https://smartdefine.org/relative/thesaurus/synonyms
ChicagoSmart Define. 2015. "relative thesaurus" https://smartdefine.org/relative/thesaurus/synonyms (accessed September 24, 2026).
HarvardSmart Define 2015, relative thesaurus, Smart Define, viewed 24 September, 2026, <https://smartdefine.org/relative/thesaurus/synonyms>.
MLASmart Define. "relative thesaurus" 14 April 2015. Web. 24 September 2026. <https://smartdefine.org/relative/thesaurus/synonyms>