relationship
noun
1.
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)
Derived from:
relation 2.
3.
a state involving mutual dealings between people or parties or countries
Derived from:
relation 4.
(anthropology) relatedness or connection by blood or marriage or adoption
Derived from:
relation