ecumenical vs world-wide

ecumenical and world-wide both are adjectives.

Word	Noun	Adjective	Verb	Adverb
ecumenical	No	Yes	No	No
world-wide	No	Yes	No	No

As adjectives, ecumenical and world-wide are synonyms defined as:

Other synonyms of ecumenical include cosmopolitan, general, oecumenical, universal, worldwide.

ecumenical (adjective)	world-wide (adjective)
of worldwide scope or applicability	of worldwide scope or applicability
concerned with promoting unity among churches or religions	spanning or extending throughout the entire world
	involving the entire earth; not limited or provincial in scope