2
network(noun, group, connection, element, link)
2
pedigree(kind, group, line, house, family)
2
proximity(noun, nearness)
2
rate(noun, part, quantity, amount, share)
2
relatedness
2
sexual relationship outside of marriage(expression, idiom, love, passion, devotion)
2
sire
2
ties of blood(expression, idiom, consanguinity)
2
traffic(noun, selling, buying)
2
understanding(noun, knowledge, bond, familiarity)
1
abutment(noun, junction)
1
action
1
addition
1
address
1
addresses
1
adherence(noun, junction)
1
adjacency(noun, junction)
1
adjunct
1
adultery(noun, love, passion, thing, devotion)
1
affaire d'amour
10 years ago|19k views|share |citing 
APASmart Define. (2016). relationship thesaurus. Retrieved September 22, 2026, from https://smartdefine.org/relationship/thesaurus/synonyms
ChicagoSmart Define. 2016. "relationship thesaurus" https://smartdefine.org/relationship/thesaurus/synonyms (accessed September 22, 2026).
HarvardSmart Define 2016, relationship thesaurus, Smart Define, viewed 22 September, 2026, <https://smartdefine.org/relationship/thesaurus/synonyms>.
MLASmart Define. "relationship thesaurus" 31 March 2016. Web. 22 September 2026. <https://smartdefine.org/relationship/thesaurus/synonyms>