Living religions

Describe the purpose of ecumenical services and interfaith initiatives. What importance, if any, does dialogue between the various faith traditions have?
Syncretism is defined in text book Fisher, M. P. 2013 (9th ed.). Living religions as a combination of normally differing beliefs. This can mean the combination of religious beliefs or the combinations of religious and culture beliefs.Give two examples of religions, denominations, or sects that are either syncretistic as a whole, or have some syncretistic practices.