plural of blood relation

plural of equivalence relation

public relations (in attributive use)

plural of binary relation

The patterns of behaviour between ethnic groups of people / The branch of sociology that studies these patterns

The professional dissemination and management of information by a person or an organization to the public with the purpose of creating a favorable public image.

Diplomatic intercourse between nations, including the mutual presence of diplomatic missions.

The tasks of building, maintaining and exploiting good relationships between an organization and print and broadcast media organizations.

The act of sexual intercourse. / Sexual activities between individuals.

The study of relationships among countries, commonly abbreviated as IR. / The relationships themselves