Synonyms for Relationship (same or very similar meaning)
WordNet sense 1 ((anthropology) relatedness or connection by blood or marriage or adoption):
kinship, family relationship
WordNet sense 2 (a relation between people; (`relationship' is often used where `relation' would serve, as in `the relationship between inflation and unemployment', but the preferred usage of `relationship' is for human relations or states of relatedness)):
human relationship
From the ODE community, based on WordNet
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