4
homogeneity(noun, connection, link, harmony, bond)
4
homology(relation, likeness, similarity)
4
marriage(noun, connection, link, tie, bond)
4
paternity(noun, consanguinity)
4
propinquity(noun, connection, link, association, relation)
3
dalliance(noun, love, passion, devotion, fling)
3
agnation
3
appositeness(noun, connection, link, bond, relation)
3
brotherhood
3
camaraderie(noun, understanding, connection, bond, assistance)
3
closeness(noun, business, empathy, connection, tie)
3
communication(noun, business, connection, link, trade)
3
contingency(noun, connection, link, bond, friendship)
3
coupling(noun, connection, element, association, tie)
3
dependency(noun, connection, link, bond, relation)
3
descent(noun, kind, group, line, house)
3
engagement(noun, connection, participation)
3
entanglement(noun, love, passion, devotion, fling)
3
flirtation(noun, love, passion, devotion, fling)
3
harmony(noun, understanding, empathy, connection, bond)
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APASmart Define. (2016). relationship thesaurus. Retrieved September 20, 2026, from https://smartdefine.org/relationship/thesaurus/synonyms
ChicagoSmart Define. 2016. "relationship thesaurus" https://smartdefine.org/relationship/thesaurus/synonyms (accessed September 20, 2026).
HarvardSmart Define 2016, relationship thesaurus, Smart Define, viewed 20 September, 2026, <https://smartdefine.org/relationship/thesaurus/synonyms>.
MLASmart Define. "relationship thesaurus" 31 March 2016. Web. 20 September 2026. <https://smartdefine.org/relationship/thesaurus/synonyms>