intercommunion

n [U] mutual communion, esp between different Churches, eg Catholic and Orthodox 互相交往（尤指教会间, 如天主教与东正教之间的）.

inter, inter alia, inter-, inter-city, interact, interaction, interactive, interbreed, intercede, intercept, interception, interceptor, intercession, interchange, interchangeable, interchangeably, intercollegiate, intercom, intercommunicate, intercommunication, interconnect, interconnected, interconnecting, interconnection, intercontinental, intercourse, interde-pendently, interdenominational, interdepartmental, interdepartmentally, interdependence, interdependent, interdict, interdiction, interdisciplinary, interest, interested, interesting, interestingly, interface,